Antoinette Portis is the author of many inventive books for children, including Not a Box, a New York Times Best Illustrated Book and a Geisel Honor Book and the Sibert Honor book Hey, Water!, which received starred reviews from Kirkus Reviews, Booklist, and School Library Journal, who said "This simple introduction to water is an ideal read-aloud for the youngest scientists". Other titles include A New Green Day which was a Junior Library Guild selection and a Publishers Weekly Best Book of the Year, as well as the ALA Notable Books Wait and Now. A recipient of the Prestigious Sendak Fellowship, she lives in Southern California. Visit her at Antoinetteportis.com