- Little Monster's Book of Numbers: In Little Monsters Book of Numbers, children can count from ten red apples, to five baby birds learning to fly, all the way down to one adorable little monster! Another fun read for everyone. Suitable for children age 2 - 5 who are learning to count. Learning with rhyme is proven to be an effective way to teach children how to count. - Little Monster's Book of Opposites: Little Monsters Book of Opposites identifies opposites with situations that ...