Now in paperback! Ivy's worried. She's read a lot of books about only children, so she knows that they are sometimes spoiled rotten. They don't share their ZDs. They never do any work. They scream and cry when they don't get their way. Spoiler alert! Ivy doesn't have any brothers or sisters. That's why she's worried. 

Annie Barrows is a bestselling author of books for both children and adults, including the YA novel Nothing, and the bestselling novel The Guernsey Literary and Potato Peel Pie Society. She lives in Northern California with her husband and two daughters.
Sophie Blackall has illustrated over 20 books, which have won awards such as the Caldecott Medal, the Ezra Jack Keats Award, and the Founders Award from the Society of Illustrators. She lives in Brooklyn, New York.