Rebecca Kai Dotlich is the author of many children's poetry and picture books, including One Day, The End.; The Knowing Book; Lemonade Sun and, most recently, What If...? Then We....

Her books have won various honors, including the Boston Globe-Horn Book Honor Award and the Golden Kite Honor Award. She lives near Indianapolis and gives presentations and workshops across the country.

Michael Slack is an artist, illustrator, and character designer based in the San Francisco Bay Area. His character-driven, humorous art has been recognised by Society of Illustrators Los Angeles, Applied Arts, Pictoplasma, Computer Arts, and SBS Digital Design.

Michael's illustrations have appeared in books, magazines, and on TV. His paintings and drawings have been exhibited in the U.S. and Europe.