The letter waits in a book, in a box, in an attic, in an old house in Lambert, South Carolina. It's waiting for Candice Miller. When Candice finds the letter, she isn't sure she should read it. It's addressed to her grandmother, after all, who left Lambert in a cloud of shame. But the letter describes a young woman named Siobhan Washington. An injustice that happened decades ago. A mystery enfolding the letter-writer. And the fortune that awaits the person who solves the puzzle. Grandma tried and failed. But now Candice has another chance.

Willa likes certain things to be certain ways. Her socks have to be soft...and definitely can't have irritating tags on the inside. She loves the crunch of popcorn and nachos...but is grossed out by the crunch of a baby carrot. And slimy foods? Those are the worst. Willa can manage all these things - but there are some things she can't deal with, like her father's big news. He's been keeping a big secret from her...that he's been dating the mom of Willa's best friend Ruby.

Isaiah is now the big man of the house. But it's a lot harder than his dad made it look. His little sister, Charlie, asks too many questions, and Mama's gone totally silent. Good thing Isaiah can count on his best friend, Sneaky, who always has a scheme for getting around the rules. Plus, his classmate Angel has a few good ideas of her own - once she stops hassling Isaiah. And when things get really tough, there's Daddy's journal, filled with stories about the amazing Isaiah Dunn, a superhero who gets his powers from beans and rice. Isaiah wishes his dad's tales were real.

Jake Wind is trying to stay under the radar. Whose radar? Anyone who might be too interested in the fact that he has shape-shifting abilities he can’t control. Or that his parents found him as a ball of goo when he was a baby. Keeping his powers in check is crucial, though, if he wants to live a normal life and go to middle school instead of being homeschooled (and if he wants to avoid being kidnapped and experimented on, of course).

Meet the Sinister-Winterbottoms: brave Theo, her timid twin, Alexander, and their older sister, Wil. They’re stuck for the summer with their Aunt Saffronia, who doesn’t know how often children need to eat and can’t use a smartphone, and whose feet never quite seem to touch the floor when she glides—er—walks. When Aunt Saffronia suggests a week pass to the Fathoms of Fun Waterpark, they hastily agree. But the park is even stranger than Aunt Saffronia. Something mysterious is happening at Fathoms of Fun, and it’s up to the twins to get to the bottom of it.