Aunt Amanda knows that Lizzie can't turn down a chance to foster a new puppy, so she brings over a boxer with an interesting problem. Jack loves to chew up everything in sight! Lizzie is very patient with Jack-until he eats her favourite book. But when Lizzie gets in touch with the book's author, a dog fan, she feels better. Will Lizzie find the right owner for this special pup before her house is destroyed?