Download or read book Kristy in Charge (The Baby-Sitters Club #122) written by Ann M. Martin and published by Scholastic Inc.. This book was released on 2015-09-29 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: Back-to-school brings an exciting new challenge for Kristy. She's been selected to be a teacher for a week! Team-teaching a gym class with her arch rival, Cary Retlin, Kristy learns a few lessons she never knew she needed.