Deborah Blumenthal is an award-winning journalist and nutritionist and the author of twenty-two books for adults and children. She has been a regular contributor to The New York Times (including four years as the Sunday New York Times Magazine beauty columnist, and a home design columnist for Long Island Newsday.

Her health, fitness, beauty, travel, and feature stories have appeared widely in many other newspapers and national magazines including New York's Daily News, The Washington Post, The Los Angeles Times, Bazaar, Cosmopolitan, Woman's Day, Family Circle, Self, and Vogue. Deborah lives in New York City.

Mary GrandPre is best known as the illustrator of the original Harry Potter books. She also illustrated the Caldecott Honor Book The Noisy Paint Box, as well The Carnival of the Animals, written by Jack Prelutsky, and Chin Yu Min and the Ginger Cat by Jennifer Armstrong, amongst many others.