Martha Weston was a colorblind illustrator and children’s author who has more than 60 books to her name. Of her work, Weston said, “the best part of writing and illustrating is creating a world of my own—generally a goofy one—and feeling like I am stepping into it." She passed away at the age of 56. 

Anna Jane Hays has had firsthand experience with seven preschoolers–her own two children and five grandchildren–as well as over 30 years experience in creating educational picture books, storybooks, and print activity books for preschoolers. She joined the Children’s Television Workshop in 1970 and used her creativity and expertise to help develop publishing based on Sesame Street, the then-new, innovative, PBS preschool educational television series. She was first managing editor of the Sesame Street magazine start-up and developed original Sesame Street Book publishing in partnerships with Golden Press and Random House. After 29 years at Sesame Street, she retired as Vice President/Editor in Chief of Book Publishing at Children's Television Workshop. Hays continues her work in children’s publishing and has since published several storybooks and picture books with Random House, including "Silly Sara," "The Pup Speaks Up," and several other Step Into Reading and Sesame Workshop titles. Hays received her AA at Stephens College, Columbia, MO, and her BA in Honors English at the University of New Mexico, Albuquerque, NM. She then pursued a variety of post-graduate academic studies, including writers workshops at New York University and Columbia University.The author of numerous books for both US and European publishers, Hays continues her work in children's publishing as an editor, writer, and consultant. She lives in Santa Fe, New Mexico.

Terry Pierce lives in a big blue house with a terrific husband, two crazy cats, and one very hairy dog. Her son is in college and studying to become a marine biologist. Her house has also been home to various frogs, lizards, a guinea pig, and fish. You can visit her website at http://www.terrypiercebooks.com.

Kate Heling is a coauthor of the fabulous Step into Reading Phonics Readers: Mouse Makes Words, Mouse Makes Magic, and Mouse Hide-and-Seek Words. She is also a school psychologist.

Valeria Petrone has illustrated numerous picture books, including Red Truck, Blue Boat, and Yellow Copter (all by Kersten Hamilton), and Plumply, Dumply Pumpkin (by Mary Serfozo), and does editorial illustration for several Italian and UK magazines. She lives in Milan, Italy.