Unhappy about being sent to the same summer camp after their fathers start dating, Bett and Avery, two girls, age eleven, eventually begin scheming to get the couple back together after a break-up. Told entirely through letters, emails and text messages.

Since her mother died, twelve-year-old Lily has struggled to care for her severely autistic half-brother, Adam, in their Miami home, but she is frustrated and angry because her oncologist step-father, Don, expects her to devote her time to Adam, and is unwilling to admit that Adam needs professional help--but when Adam bonds with a young dolphin with cancer Lily is confronted with another dilemma: her family or the dolphin's freedom.

Willa lives on the upper West Side of Manhattan with her divorced father and her younger brother and attends fifth grade with her best friend Ruby, and she likes things to be a certain way, because it makes life manageable even with her Sensory Processing Disorder; she certainly does not like surprises, and her father has just thrown her a big one: he has been dating Ruby's mother, and suddenly Willa's life seems to be spiraling out of her control--and...

Joining her family in her community's annual New Year's Day magic-capturing ceremony, a 12-year-old girl who has always been lucky captures just one tiny jar of magic, revealing the true nature and beliefs of her loved ones.