Alvin And Ada's Dog Ada has got a dog. Alvin is allowed to hold it. A big dog barks at them. Alvin lets go of the leash. Oh no . Ada's dog runs away! Easy Reading - Just for you! ´The Beetle Books´ are fictional stories forchildren learning English. These easy-reading books feature simple tales about Alvin, Anton and Olga - perfect for engaging readers in a new language.