"[F]or any possible event, there must be a reality to accommodate it."

This quantum take on Robert Frost's poem about paths diverging in the woods explores the idea of choosing different paths at the same time. Jennifer, thirteen, and Haskell, fourteen, kiss on a winter's night. A deer fleeing from predators causes a car accident, killing Jennifer's parents. Jennifer and Haskell lose touch, only to run into each other again, fatally, in a car crash as adults. As well as narrating the history and the fallout of this ripe set of coincidences, the book imagines alternative endings.

Equal parts tragedy, comedy, philosophy, and romance, the book fits many genres. Starting in nineteenth-century northern Minnesota forests, it sets the stage for historical adventure. The next chapter turns into slapstick in the bar where Haskell is the butt of a bad joke instigated by a bunch of brawling law students. Haskell reconnects with Jennifer, wearing a spittoon on his head. Setting these scenes and Haskell's tender memory of his first real kiss alongside one another upends all expectations that the book will be any one way, making for an exciting rollercoaster ride.

The shifting style, time periods, and tenor, along with the impulsive and spontaneous pace, however, build on thoughtful musings on the space-time continuum. As the characters time-travel to realize a different outcome for Haskell and Jennifer, they discuss a multiverse of parallel realities. That dead people (Haskell, Jennifer, and her parents, among others) are the conversants makes their discussions humorous. The concepts are explained in layman's terms, between friends, for their edification and amusement. In a light tone set by a royal "we," the narrator addresses readers with a high tone. Paired with characters joking with each other and zipping through time, the juxtaposition comes to a satisfying conclusion, in which threads marry a happy ending and infinite possibilities.

— Mari Carlson (no relation) US Review of Books Editorial Review

★★★★ Diverging Streams is a work of literary science fiction that blends time travel, alternate realities, and deeply human moments. The novel follows Haskell Yngren across multiple timelines, weaving together pivotal events from adolescence, adulthood, and parallel versions of his life. What begins as a vivid, often humorous barroom incident expands into a meditation on chance, memory, desire, and the small decisions that quietly fracture a life into many possible paths.

Author Earl L Carlson writes with a confident, old-fashioned storyteller’s rhythm, the kind that is unafraid to linger. He pauses to philosophize, to explain, to wander off briefly and then return. The prose is rich but not showy. He trusts long scenes and detailed observation, especially when he is writing about adolescence, embarrassment, longing, and those fragile moments when everything feels charged and irreversible. Some passages are genuinely funny, others almost uncomfortably intimate, and that contrast feels intentional.

The story leans into digressions and omniscient commentary, sometimes stepping well outside the action to reflect on culture, sexuality, or human cruelty. Still, those same detours are also where the book’s personality lives. The speculative elements are never flashy. This is not a fast, gadget-driven science fiction novel. Instead, the genre functions as a framework for asking what might have happened if a single moment tilted another way. The alternate timelines feel less like puzzles to solve and more like emotional echoes.

I felt that Diverging Streams is best suited for readers who enjoy reflective, character-driven speculative fiction. If you like science fiction that behaves more like literary fiction, are curious about time but deeply invested in memory, desire, and consequence, this book will likely resonate. It rewards patience and a willingness to sit with discomfort, humor, and nostalgia all at once.

— Editorial Review--Literary Titan

★★★★★ Diverging Streams by Earl L. Carlson is a captivating story about alternative realities and the outcomes of choices. While in Bobcat Crossing in Northern Minnesota in 1952, Haskell and Jennifer find themselves drawn to each other on one special night as they watch the aurora borealis. An unfortunate disaster that very night ends what could have been. Years later, they reunite under the most unusual circumstances. They are both ghosts and have to navigate the afterlife with the help of Jennifer’s dead parents, Vivienne and Arthur, who have more experience on the other side. They discover the possibilities of traveling back and forward in time and returning to their point of birth. Haskell and Jennifer learn about each other's unfortunate lives, and meet other ghosts like Kitty, Jennifer’s young patient.

Diverging Streams presents a wild adventure in an afterlife that allows for time-traveling and living in alternative realities. Earl L. Carlson shares philosophical and scientific discussions on how minor decisions can create entirely different life paths. His narrative is filled with wit and humor, but also touches on the harsh realities of living. The characters are given a second chance at love, but also have to deal with the fact that they are dead and have different visions of what makes them happy. The author touches on relationships and living in the present. He tells a tale about a man who faces rejection and keeps postponing starting a life. This also appears as a haunting theme in Haskell’s journey as he stops painting because of criticism from fellow artists and friends, and Jennifer, who continues to hold on to a childhood that was stripped from her. Through them, Carlson illustrates how time’s passage and choices influence relationships and personal growth. This is a very interesting and thought-provoking read. For anyone who enjoys stories about life beyond death, the power of choice, and the possibility of second chances, this one is for you.

— Luwi Nyakansaila--Reader's Favorite Editorial Review

★★★★★ Diverging Streams by Earl L Carlson is an absolutely compelling exposition of some still-to-be fully explored quantum theories about time, relativism, and the universe in general. The author will take you on an extraordinary journey through time that will challenge your core beliefs about life, death, and the passage of time. Two teenagers are exploring their adolescent yearnings in a secret hideaway near the frozen Bobcat River, where they live, when a tragic accident separates them, and they lose touch with each other for twenty years. Haskell Yngren has long believed that Jennifer Jessup was the love of his life, but unable to reconnect, he accepted his fate of eternal loneliness. When Haskell and Jennifer spot each other across a crowded bar, it seems that this is the opportunity for their love to be finally explored and consummated.

Diverging Streams is a fascinating take on the concept of time, place, and the construction of life. Earl L Carlson has based his premise on the work of quantum physicist Gunther Kletetschka, who posited the theory of infinite universes and infinite time streams. This idea of multi-dimensional time streams is a fantastic “rabbit hole” for readers to explore and consider the possibilities. The ideas put forward by this author certainly resonated deeply with me and aligned with much of what I have been reading in recent years. By using the characters and discussions on the principles involved in this theory, between Haskell and Jennifer, as well as her long-dead parents, the difficult-to-grasp concepts of multiple time streams and universes became understandable and manageable. The plot combines interweaving threads of different time periods that perfectly link together in the end. It is an incredibly satisfying way of introducing what for many will be radical new ideas. I love stories that prompt me to think, challenge my expectations of the world and science, and linger long after the last page is turned. This is such a book, and one that I thoroughly enjoyed. I highly recommend it.

— Grant Leishman--Reader's Favorite Editorial Review

★★★★★ Diverging Streams: A Journey Through Time and Alternate Realities by Earl L. Carlson introduces us to Haskell Yngren, whose 1972 death in a Minneapolis bar turns out not to be an ending, but a return. He finds himself drawn back to a winter night in 1952 on a frozen river in Bobcat Crossing, where a brief encounter with Jennifer Jessup had lasting consequences for them both. That is, until they are reunited. Haskell and Jennifer recognize one another decades later, and they figure out that they're no longer bound to a single moment or outcome. With Jennifer’s parents as their personal guides, they move through shifting versions of time, seeing how small changes redirect lives and how memory shapes perception. As past and present overlap, Haskell and Jennifer must decide what it means to act when every possibility still exists.

Diverging Streams by Earl L. Carlson is literary fiction that takes a brilliant deep dive into the boundless, non-linear questions of memory and time. The characters are absolutely wonderful, with Haskell desperate to reclaim his agency during altered timelines, and Jennifer being direct and honest, especially in her choices about rebirth and partnership. Carlson does a great job of balancing heartening intimacy with jarring disruptions, like when the bar becomes a shared afterlife meeting place, and a ceremony assembled among the dead inside a hospital. The settings are visually descriptive, and I swear I felt like I was right there in a temporal displacement, witnessing firsthand the furniture and bodies being rearranged. It's a testament to Carlson's skill as a writer. Well written and intelligent, this is a story that will tick all the boxes for readers looking to get lost in a metaphysical masterpiece. Very highly recommended.

— Asher Syed--Reader's Favorite Editorial Review

★★★★★ Diverging Streams by Earl L. Carlson is a story about love in the afterlife. It follows the story of Haskell Yngren and Jennifer Jessup, who missed a chance to be together when a tragedy separated them. Their youthful romance under the lights of the aurora borealis ended when Jennifer received news that her parents had died in a car accident. Jennifer left town to live with her extremely religious aunt, later living on the streets and eventually becoming a nurse. Meanwhile, Haskell lived an unfulfilling life and never pursued the painting that he loved so much. Two decades after their parting, they meet again in a barroom in 1972. After an embarrassing incident, Haskell attempts to escape, but Jennifer pursues him.

Diverging Streams is a captivating and memorable read that made me think about human connections and the possibility of alternative realities. The story blends science, history, and the paranormal. Earl L. Carlson brings together a cast of characters who just want a shot at happiness—even after death. Haskell's and Jennifer’s lives were characterized by failure and suffering, something many readers can relate to. The author uses humor and tragedy to explore metaphysical questions about time and life, and imaginary quantum physics concepts about multiple realities coexisting. The accompanying song references throughout the story will help readers emotionally connect with the situations. The biggest surprise comes right at the end, when the author throws in a plot twist that connects all the dots perfectly, bringing the story full circle, and thoroughly explains the concepts of the interconnectedness of multiple lives and different realities. This is a wonderful and unique tale, and I highly recommend it to readers interested in love stories that transcend time and space.

— Doreen Chombu--Reader's Favorite Editorial Review

★★★★★ Diverging Streams by Earl L. Carlson is the story of Haskell Yngren and Jennifer Jessup and how their lives change over many years, starting in a small town in rural Minnesota when they were still teenagers. At that time, they got close and shared some important first experiences as friends. However, everything changed after a sudden family tragedy forced Jennifer to move away. Years pass, and they grow into adults living separate lives. When they meet again later, the situation feels bizarre, almost as if their memories and their reality are starting to blend into each other. People and places from the past seem to return in different ways. As they try to make sense of it all, they begin to question time, life, and the past. As their past and present start to overlap, will they ever truly understand what has brought them back together?

In Diverging Streams, Earl L. Carlson tells a growing-up story while also exploring paranormal events, memory, and the idea of alternate realities. I liked how the author moves between time periods to show how Haskell and Jennifer change as they grow older. The writing shifts from simple memories of youth to more unusual events later in the story, which kept me curious about what was happening. Some parts are quiet and reflective, while others introduce strange scenes that make you stop and think about them deeply. I found the mix of everyday life and metaphysical concepts interesting, especially the way past events return again and again. Readers who enjoy thoughtful stories about lost connections, romance, second chances, and the mystery of time will stay engaged with this book.

— Eric Ferrar--Reader's Favorite Editorial Review

A beautiful look into life, death, space and time wrapped in a fun story of interesting characters. Carlson takes you on a journey alongside a few zany characters to explore what happens to us after death in all its possibilities. This was an absolute joy to read and left me feeling incredibly hopeful. I highly recommend.

— Nicole, Goodreads