Denise Doyen studied creative writing, poetry, and design at Stanford University. A writer at heart, she went back to school to concentrate on writing for children. Once Upon a Twice is her first book. She lives in Pacific Palisades, California.
Barry Moser is an acclaimed illustrator who has won numerous awards. His works can be found in special collections of the Metropolitan Museum of Art, the National Gallery of Art, the British Museum, and the Library of Congress. He lives in Massachusetts.