An ode to Black girlhood and adolescence as seen through KB's eyes, What the Fireflies Knew follows KB after her father dies of an overdose and the debts incurred from his addiction cause the loss of the family home in Detroit. Soon thereafter, KB and her teenage sister, Nia, are sent by their overwhelmed mother to live with their estranged grandfather in Lansing, Michigan. Over the course of a single sweltering summer, KB attempts to navigate a world that has turned upside down.

In 1861, war is raging in the South, but in Concord, Massachusetts, Margaret March has her own battles to fight. With her husband serving as an army chaplain, the comfort and security of Margaret’s four daughters— Meg, Jo, Beth, and Amy—now rest on her shoulders alone. Money is tight and every month, her husband sends less and less of his salary with no explanation.

In Parson, Texas, a small town ravaged by a devastating hurricane and the Vietnam War, twenty-nine-year-old Lou is diligently renovating a decaying old mansion for Miss Kate, the elderly neighbor who has always been like a mother to her. Mourning her brother’s death in Vietnam, Lou dreams of enjoying a more peaceful future in Parson. But those hopes are crushed when Miss Kate is murdered, and no one but Lou seems to care about finding the killer.

Three men search for some version of home; their lives move inexorably toward a reckoning that will draw them all together. For Farouk, family is all. He has protected his wife and daughter as best he can from the war and hatred that has torn Syria apart. If they stay, they will lose their freedom. Lampy is distracted; he has too much going on in his small town life in Ireland. He has the city girl for a bit of fun, but she's not Chloe. The game was always the lifeblood coursing through John's veins: manipulating people for his enjoyment. But it was never enough.

California, 1938—When she loses her parents in an accident, sixteen-year-old Rosanne is taken in by the owners of the vineyard where she has lived her whole life as the vinedresser’s daughter. She moves into Celine and Truman Calvert’s spacious house with a secret, however—Rosie sees colors when she hears sound. She promised her mother she’d never reveal her little-understood ability to anyone, but the weight of her isolation and grief prove too much for her. Driven by her loneliness she not only breaks the vow to her mother, but in a desperate moment lets down her guard and ends up pregnant.

Though they look like any other family, they aren’t one—not quite. They are three sets of parents who find themselves intertwined after adopting four biological siblings, having committed to keeping the children as connected as possible. At the heart of the family, the adoptive mothers grapple to define themselves and their new roles. Tabitha, who adopted the twins, crowns herself planner of the group, responsible for endless playdates and holidays, determined to create a perfect happy family.

It’s 1951 in Blowing Rock, North Carolina. Blackburn Gant, his life irrevocably altered by a childhood case of polio, seems condemned to spend his life among the dead as the sole caretaker of a hilltop cemetery. It suits his withdrawn personality, and the inexplicable occurrences that happen from time to time rattle him less than interaction with the living. But when his best and only friend, the kind but impulsive Jacob Hampton, is conscripted to serve overseas, Blackburn is charged with caring for Jacob’s wife, Naomi, as well.

Young, brazen, beautiful, and unapologetically brilliant, Margaret Fuller accepts an invitation from Ralph Waldo Emerson, the celebrated Sage of Concord, to meet his coterie of enlightened friends. There she becomes “the radiant genius and fiery heart” of the Transcendentalists, a role model to a young Louisa May Alcott, an inspiration for Nathaniel Hawthorne’s Hester Prynne and the scandalous Scarlet Letter, a friend to Henry David Thoreau as he ventures out to Walden Pond . . . and a muse to Emerson. But Margaret craves more than poetry and interpersonal drama.

In 1940s and ’50s America, polio is as dreaded as the atomic bomb. No one’s life is untouched by this disease that kills or paralyzes its victims, particularly children. Outbreaks of the virus across the country regularly put American cities in lockdown. Some of the world’s best minds are engaged in the race to find a vaccine. The man who succeeds will be a god.

It was 1970 when thirteen-year-old runaway Kit Walker was abducted by Manny Romero, a smooth-talking, low-level criminal, who first coddled her and then groomed her into his partner-in-crime. Before long, Kit and Manny were infamous for their string of gas station robberies throughout Texas, making a name for themselves as the Texaco Twosome.

When young Gilded Age society matron Daisy Harriman is refused a room at the Waldorf because they don’t cater to unaccompanied females, she takes matters into her own hands. She establishes the Colony Club, the first women’s club in Manhattan, where visiting women can stay overnight and dine with their friends; where they can discuss new ideas, take on social issues, and make their voices heard. She hires the most sought-after architect in New York, Stanford White, to design the clubhouse.

1940, Kent: Alice King is not brave or daring—she’s happiest finding adventure through the safe pages of books. But times of war demand courage, and as the threat of German invasion looms, a plane crash near her home awakens a strength in Alice she’d long forgotten. Determined to do her part, she finds a role perfectly suited to her experience as a schoolteacher—to help evacuate Britain’s children overseas.

In the aftermath of Ireland's financial collapse, dangerous tensions surface in an Irish town. As violence flares, the characters face a battle between public persona and inner desires. Through a chorus of unique voices, each struggling to tell their own kind of truth, a single authentic tale unfolds. The Spinning Heart speaks for contemporary Ireland like no other novel. Wry, vulnerable, all-too human, it captures the language and spirit of rural Ireland and with uncanny perception articulates the words and thoughts of a generation.

Eighty-year-old Mieke Geborn’s life is one of quiet routine. Widowed for many years, she enjoys the view from her home on the New Jersey shore, visits with friends, and tai chi at the local retirement community. But when her beloved grandson, Will, and his wife, Teru, show up for a visit, things are soon upended. Their marriage is threatening to unravel, and Will has questions for his grandmother—questions about family secrets that have been lost for decades and are now finally rising to the surface.

On a cold February afternoon, Stella catches sight of a man she hasn't seen for many years, but instantly recognises. Or thinks she does. At the same moment on the other side of the globe, in the middle of a crowd of Chinese New Year revellers, Jake realises that things are becoming dangerous. They know nothing of one another's existence, but both Stella and Jake flee their lives: Jake in search of a place so remote it doesn't appear on any map, and Stella for a destination in Scotland, the significance of which only her sister, Nina, will understand.