When their friend Gabrielle is found covered in blood in front of their dead principal, with no recollection of what happened, Blythe, Tucker, and Tanya soon discover their lives are a lie as the walls built around their real memories come crashing down.

Canaan is a quiet city on an idyllic world, hemmed in by high walls, but every twelve years the town breaks out in a chaos of bloody violence, after which all the people undergo the Forgetting, in which they are left without any trace of memory of themselves, their families, or their lives--but somehow seventeen-year-old Nadia has never forgotten, and she is determined to find out what causes it and how to put a stop to the Forgetting forever.

Little Critter's forgetfulness gets him in trouble with his mother on one particularly bad day.

Struggling with memories of his impoverished youth, being abandoned by his friends, and his father's suicide, Aaron attempts to forget his own identity through memory-altering therapy when his homosexuality affects a new friendship.

In post-World War I England, eleven-year-old Triss nearly drowns in a millpond known as "The Grimmer" and emerges with memory gaps, aware that something is terribly wrong, and to try to set things right, she must meet a twisted architect who has designs on her family.

Grief counselor Quinlan struggles with her last case's destructive fallout before an estrangement from Deacon compels her to confront Dr. Pritchard, who has been taking over her life as part of an astonishing plan.

"George is great at remembering things. When it's time to get ready for school, he remembers to wake up his family and put on his favorite fuzzy sweater and brand-new superhero watch. So why does George feel like he is forgetting something? Readers know what George forgot, but will he ever figure it out?"--

"In a futuristic reality, one girl falls in love with the boy whose memories she tries to erase"--

Tasked with training the magical Alicorn so that it can be revealed to the people of the lost cities as a sign of hope, Sophie is dismayed by a renewal of the dangers she believed were past, forcing her to risk her life for answers.