The author of best-selling tween-pleasing Babysitter Club books, this Award-winning author also wrote the Main Street series, A Dog's Life, the historical novels Belle Teal and Here Today, and the Newbery Honor book A Corner of the Universe. Working with others authors, Ann co-wrote P.S. Longer Letter Later and Snail Mail No More, with Paula Danziger, and The Doll People, with Laura Godwin.