While in a coma following an automobile accident that killed her parents and younger brother, seventeen-year-old Mia, a gifted cellist, weighs whether to live with her grief or join her family in death. "In a single moment, everything changes. Seventeen-year-old Mia has no memory of the accident; she can only recall riding along the snow-wet Oregon road with her family. Then, in a blink, she finds herself watching as her own damaged body is taken...

Mathilda (Tilly), fourteen, and Ruth Anne (Roo), sixteen, are sisters and best friends in Connecticut, but when Roo crashes her car while texting she is confined to a hospital bed with "locked-in syndrome," aware of her surroundings, but apparently comatose--and Tilly must find a way to communicate with her sister, while dealing with her own sense of guilt.

Blaming herself when the cousin she dragged onto a roller coaster falls into a coma, Nora struggles with unendurable guilt and tries to help when her cousin awakens with challenging disabilities.

Thirteen-year-old Dan blames himself when his best friend Nate is hit in the head by a baseball during practice--desperate to help, Dan seizes on the suggestion that even in a coma Nate may be able to hear him, and sets out to read to Nate from the superhero comic books that both boys love.

When high school junior Tessa Reynolds falls into a coma after getting hit in the head during gym class, she experiences heaven as the mall where her parents work, and she revisits key events from her life, causing her to reevaluate herself and how she wants to live.

"Sammy Keyes has spent the last few years solving other people's mysteries; now her friends (and some foes) come together to unmask the fiend who has put Sammy in a coma"-- Provided by publisher.

Fifteen-year-old Ellis recalls her favorite things as her mother's desire to turn off the machines that have kept Ellis's father alive for two years fill the last four days of her sophomore year with major changes in herself and her relationships.

"Since her parents divorced, twelve-year-old Peyton has known that to achieve happier outcomes in her life, she's got to focus on eliminating her flaws--and on making sure her first boyfriend is truly right for her. Guided by her collection of inspirational quotes and her growing list of ideal boyfriend traits, Peyton is convinced that this summer will be the perfect summer, complete with the perfect boyfriend! But when she discovers a boy lying unconscious...

After surviving a tragic accident, sixteen-year-old Callie McPhee wakes up from a coma with knowledge of the afterlife where she met Thatcher, the spirit who protected her, and can help her save the people she loves from the menace of evil spirits.

Hal feels eerily connected to his comatose older sister as she hovers between life and death in a hospital. Hal believes his sister is trying to communicate with him as he tries to solve the mystery of her accident.