In the 12 unforgettable tales of Lesser Known Monsters of the 21st Century, the strange is made familiar and the familiar strange, such that a girl growing wings on her legs feels like an ordinary rite of passage, while a bug-infested house becomes an impossible Kafkaesque nightmare. Each story builds a new world all its own: A group of children steal a haunted doll; a runaway bride encounters a sea monster; a vendor sells toy boxes that seemingly control the passage of time; an insomniac is seduced by the Sandman.

When Apollo Kagwa's father disappeared, all he left his son were strange recurring dreams and a box of books stamped with the word improbabilia. Now Apollo is a father himself - and as he and his wife, Emma, are settling into their new lives as parents, exhaustion and anxiety start to take their toll. Apollo's old dreams return and Emma begins acting odd.

Thirteen-year-old Julie Whitaker was kidnapped from her bedroom in the middle of the night, witnessed only by her younger sister. Her family was shattered, but managed to stick together, hoping against hope that Julie is still alive. And then one night: the doorbell rings. A young woman who appears to be Julie is finally, miraculously, home safe. The family is ecstatic - but Anna, Julie's mother, has whispers of doubts. She hates to face them.

In the spring of 1981, the young Skinner siblings - fierce Renee, dreamy Caroline, golden boy Joe, and watchful Fiona - lose their father to a heart attack and their mother to a paralyzing depression, events that thrust them into a period they will later call “the Pause”. Caught between the predictable life they once led and an uncertain future that stretches before them, the siblings navigate the dangers and resentments of the Pause to emerge fiercely loyal and deeply connected. Two decades later, the Skinners find themselves again confronted with a family crisis....

Seventeen-year-old Molly Fisk does not go outside. She's ruled by anxiety and only feels safe in the tiny tourist-town museum she and her mother run and call home. Yearning to live free but unable to overcome deep wounds from her past, she stays hidden away. Then the chance arrival of a woman Molly knew six years ago changes everything.

It's 16-year-old Edie who finds their mother, Marianne, dangling in the living room from an old jump rope, puddle of urine on the floor, barely alive. Upstairs, 14-year-old Mae had fallen into one of her trances, often a result of feeling too closely attuned to her mother's dark moods. After Marianne is unwillingly admitted to a mental hospital, Edie and Mae are forced to move from their childhood home in Louisiana to New York to live with their estranged father, Dennis, a former civil rights activist and literary figure on the other side of success.

In a secret, subterranean world beneath the prairie of the Old West, a homesteader risks her life in search of a safe haven. A workman in Andrew Carnegie's steel mills is turned into a medical oddity by the brutal power of the furnaces. A young woman created through genetic manipulation is destroyed by the same force that gave her life. With her distinctive blend of magical realism, science, and poetic prose, Anjali Sachdeva demonstrates a preternatural ability to laser in on our fears, our hopes, and our longings in order to point out intrinsic truths about society and humanity.

Marin hasn't spoken to anyone from her old life since the day she left everything behind. No one knows the truth about those final weeks. Not even her best friend, Mabel. But even thousands of miles away from the California coast, at college in New York, Marin still feels the pull of the life and tragedy she's tried to outrun. Now, months later, alone in an emptied dorm for winter break, Marin waits. Mabel is coming to visit, and Marin will be forced to face everything that's been left unsaid and finally confront the loneliness that has made a home in her heart.

Margo is not like other girls. She lives in a derelict neighborhood called the Bone, in a cursed house, with her cursed mother, who hasn't spoken to her in over two years. She lives her days feeling invisible. It's not until she develops a friendship with her wheelchair-bound neighbor, Judah Grant, that things begin to change. When a neighborhood girl, seven-year-old Neveah Anthony, goes missing, Judah sets out to help Margo uncover what happened to her. What Margo finds changes her, and with a new perspective on life she's determined to find evil and punish it.

For eleven-year-old Esme, ballet is everything - until her four-year-old sister, Lily, vanishes without a trace and nothing is certain anymore. People Esme has known her whole life suddenly become suspects, each new one hitting closer to home than the last. Unable to cope, Esme escapes the nightmare that is her new reality when she receives an invitation to join an elite ballet academy in San Francisco. Desperate to leave behind her chaotic, broken family and the mystery surrounding Lily’s disappearance, Esme accepts.

Winter's chill has descended on Stockholm as police arrive at the scene of a shocking murder. An unidentified woman lies beheaded in a posh suburban home - a brutal crime made all the more disturbing by its uncanny resemblance to an unsolved killing 10 years earlier. But this time there's a suspect: the charismatic and controversial chain-store CEO Jesper Orre, who owns the home but is nowhere to be found.

Fifteen-year-old Ilya arrives in Louisiana from his native Russia for what should be the adventure of his life: a year in America as an exchange student. But all is not right in Ilya's world: He's consumed by the fate of his older brother, Vladimir, the magnetic rebel to Ilya's dutiful wunderkind, back in their tiny Russian hometown. Just before Ilya left, the murders of three young women rocked the town's usual calm, and Vladimir found himself in prison. With the help of Sadie, who has secrets of her own, Ilya embarks on a mission to prove Vladimir's innocence.

The Guerreros have lived in Nothar Park, a predominantly Dominican part of New York City, for twenty years. When demolition begins on a neighboring tenement, Eusebia, an elder of the community, takes matters into her own hands by devising an increasingly dangerous series of schemes to stop construction of the luxury condos.

Everything about 15-year-old Cat's new town in rural Michigan is lonely and off-kilter until she meets her neighbor, the manic, beautiful, pill-popping Marlena. Cat, inexperienced and desperate for connection, is quickly lured into Marlena's orbit by little more than an arched eyebrow and a shake of white-blond hair. As the two girls turn the untamed landscape of their desolate small town into a kind of playground, Cat catalogues a litany of firsts - first drink, first cigarette, first kiss - while Marlena's habits harden and calcify.

Clara Brodeur has spent her entire adult life pulling herself away from her famous mother, the renowned and controversial photographer Ruth Dunne, whose towering reputation rests on the unsettling nude portraits she took of her young daughter from the ages of three to 14. As Clara charts a path connecting her childhood with her adult life, Shapiro's novel weaves together past and present in images as stark and intense as the photographs that tore the Dunnes apart.