Rosemary Wells was born in New York City on January 29, 1943. She studied at the Museum School in Boston. Without her degree, she left school at the age of 19 to get married. She began her career in publishing, working as an art editor and designer first at Allyn and Bacon and later at Macmillan Publishing.

She is an author and illustrator of over 60 books for children and young adults. Her first book was an illustrated edition of Gilbert and Sullivan's I Have a Song to Sing-O. Her other works include Martha's Birthday, The Fog Comes on Little Pig Feet, Unfortunately Harriet, Mary on Horseback, and Timothy Goes to School. She also created the characters of Max and Ruby, Noisy Nora, and Yoko, which are featured in some of her books. She has won numerous awards including a Children's Book Council Award for Noisy Nora in 1974, the Edgar Allan Poe award for two young adult books, Through the Looking Glass and When No One Was Looking, and the Boston Globe-Horn Book Award for Shy Charles.

(Bowker Author Biography)