Given his lifetime assignment at the Ceremony of Twelve, Jonas becomes the receiver of memories shared by only one other in his community and discovers the terrible truth about the society in which he lives.

"A girl is transformed by the magical power of stories through the shared memories of her grandmother Hazel"--

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.

Twelve-year-olds Reef and Theo have a mutual problem: their memories are getting mixed up, and that means that Reef is losing his memory of his mother, recently dead of COVID, which terrifies him--but for Theo his new memories are helping him deal with his domineering father.

When sixth-grader Rosie begins to see magic, she learns that her mother's dwindling memory is tied to an age-old battle between the light of the moon and the darkness of witches.

"Tucked in bed at a new apartment, a boy and his mother trade favorite memories. Some are idyllic, like a picnic with Dad, but others are more surprising: a fall from a bike into soft piled hay, the smell of an old oil lamp when a rainstorm blew the power out. Now it's just the two of them, and the house where all those memories happened is far away. But maybe someday, this will be a favorite memory, too: happy and sad, an end and a beginning intertwined....