The desert is full of suprises You never know what you might find nestled in a tall saguaro or climbing steep canyon walls. All you have to do is look "Guess Who's in the Desert" is a fun, interactive, guessing game that invites curious children to discover all of the secrets and surprises the desert holds. Who leaves x-shaped tracks? Who has orange and black beady skin? Just open the book to find out. Each time you do, you're bound to find something new.