Twelve-year-old Trish can solve tough math problems and throw a mean fastball. But because of her mom’s new job, she’s now facing a summer trying to make friends all over again in a new town. That isn’t an easy thing to do. But at her first baseball practice, Trish realizes one of her teammates is Ben, the sixth-grade math prodigy she beat in the spring Math Puzzler Championships. When a mysterious booklet of math puzzles claiming to reveal the “ultimate answer” arrives in her mailbox, Trish and Ben start to get closer and solve the puzzles together. 

Mary Lambert has always felt safe and protected on her beloved island of Martha's Vineyard. Her great-great-grandfather was an early English settler and the first deaf islander. Now, over a hundred years later, many people there - including Mary - are deaf, and nearly everyone can communicate in sign language. Mary has never felt isolated. She is proud of her lineage. But recent events have delivered winds of change.

Curses aren't real. At least, that's what twelve-year-old, half-Hawaiian Anna Leilani Kama'ehu thinks when she listens to her grandmother's folktales about sacred flowers and hexes. Anna's friends back home in Colorado don't believe in legends either; they're more interested in science and sports—real, tangible things that stand in total contrast to Anna's family's loopy cultural traditions.

In 1942, when Mahatma Gandhi asks Indians to give one family member to the freedom movement, 10-year-old Anjali is devastated to think of her father risking his life for the freedom struggle. But it turns out he isn't the one joining. Anjali's mother is. And with this change comes many more adjustments designed to improve their country and use "ahimsa" - non-violent resistance - to stand up to the British government. First the family must trade in their fine foreign-made clothes for homespun cotton, so Anjali has to give up her prettiest belongings. 

Living in the remote town of Tierra del Sol is dangerous, especially in the criatura months, when powerful spirits roam the desert and threaten humankind. But Cecelia Rios has always believed there was more to the criaturas, much to her family’s disapproval. After all, only brujas - humans who capture and control criaturas - consort with the spirits, and brujeria is a terrible crime. When her older sister, Juana, is kidnapped by El Sombrerón, a powerful dark criatura, Cece is determined to bring Juana back.