Julie Fogliano is the New York Times-bestselling author of And Then It's Spring and When's My Birthday with Christian Robinson, as well as the poetry collection, When Green Becomes Tomatoes illustrated by Julie Morstad. Recipient of the 2013 Ezra Jack Keats Award, her books have been translated into more than ten languages. Julie lives in the Hudson Valley with her husband and three children.

Lane Smith is the creator of a shelf of books, including the New York Times bestselling It's a Book and its companion, It's a Little Book. The beautiful Caldecott Honor-winning Grandpa Green can also be found there alongside his brilliantly quirky collaborations with Jon Scieszka including The True Story of the Three Little Pigs and The Stinky Cheeseman and Other Fairly Stupid Tales. In 2017 he won the CILIP Kate Greenaway Medal for There Is a Tribe of Kids. Lane Smith and his wife, the designer Molly Leach, live in a small town in rural Connecticut, USA.