Margot Apple was born in Detroit, Michigan and earned a degree in art at Pratt Institute in Brooklyn, New York. She is a freelance illustrator, and collaborates with other authors, as well as illustrating her own picture books, and producing illustrations for Cricket and Ladybug magazines. She has illustrated more than fifty books for children and is best known for her collaboration with Nancy Shaw on the Sheep series. Apple is the author-illustrator of Blanket and Brave Martha and the illustrator of Appaloosa Zebra: A Horse Lover's Alphabet, Runaway Radish, and the "Sheep" books, including Sheep in a Jeep and Sheep Trick or Treat.