Download or read book Caillou, the Sock Mystery written by Rebecca Klevberg and published by . This book was released on 2017 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: One morning, Caillou realizes one of his favorite socks is missing. He decides to search the house, starting with the laundry room. When he finds himself accidentally locked in the basement, Daddy rescues him. Now they both get locked in! It's Mommy's turn to come to the rescue--and help them find the missing sock.