Dog looks through a hole in the wall and sees another dog. But when warthog looks, he sees something very different. This Level D book is perfect for new readers.Dog can't wait to tell Warthog, Lion, and Elephant about the other dog he saw.  But when the other animals look through the hole, none of them see the same thing.  They argue, because each animal is sure the others are wrong.  But it turns out the hole isn't a hole at all--it's a mirror! This funny adaptation of Mark