Emily Costello is a journalist and the author of many books for young readers, including books in the Nancy Drew, Sweet Valley Twins, and Sweet Valley Kids series, as well as her own series on ballet school and girls soccer. She writes about science for Scholastic's classroom publications. She lives in Boston, MA.
| November 28, 2021 | Edited by tmanarl | bio |
| November 28, 2021 | Edited by tmanarl | Added new photo |
| September 11, 2008 | Edited by RenameBot | fix author name |
| April 1, 2008 | Created by an anonymous user | initial import |