Download or read book I'm Not Her written by Janet Gurtler and published by Sourcebooks, Inc.. This book was released on 2011 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: When popular, sporty sister, Kristina, is diagnosed with cancer, her younger, brainy sister, Tess, is thrown into new roles as she becomes the center of the popular crowd and must be the strong one in her family.