Eleven-year-old Mimi Mackson comes from a big Indian American family: Dad's a renowned food writer, Mom's a successful businesswoman, and her three older siblings all have their own respective accomplishments. It's easy to feel invisible in such an impressive family, but Mimi's dream of proving she's not the least talented member of her family seems possible when she discovers a contest at the new bakery in town. Plus, it'll start her on the path to becoming a celebrity chef like her culinary idol, Puffy Fay.

Eleanor Dross knows a thing or two about the end of the world, thanks to a survivalist grandfather who stockpiles freeze-dried food and supplies - just in case. So when she reads about a Harvard scientist's prediction that an asteroid will strike Earth in April, Eleanor knows her family will be prepared. Her classmates? They're on their own! Eleanor has just one friend she wants to keep safe: Mack. They've been best friends since kindergarten, even though he's more of a smiley emoji and she's more of an eye-roll emoji.

Paul Marconi has always thought that Bellwood was a strange town, but also a boring one. Not much for an eleven-year-old to do. Fires are burning nearby, Paul's parents are obsessed with winning a bratwurst contest, and his best friend, one of the founding members of their only-child detective club, the One and Onlys, is about to acquire a younger sister, sort of undoing their whole reason for existing. But then! Hundreds of rubber duckies have appeared on the lawn of poor Mr. Babbage without any explanation. Finally! There is something Paul and his friends can actually investigate.

Twelve-year-old Ebony-Grace Norfleet has lived with her beloved grandfather Jeremiah in Huntsville, Alabama ever since she was little. As one of the first black engineers to integrate NASA, Jeremiah has nurtured Ebony-Grace’s love for all things outer space and science fiction - especially Star Wars and Star Trek. But in the summer of 1984, when trouble arises with Jeremiah, it’s decided she’ll spend a few weeks with her father in Harlem. 

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.