Mercer Mayer's charming illustrations and Little Critter characters have warmed the hearts of children for over 20 years. Now Little Critter and his friends and family are helping kids develop reading skills on the pages of these delightful first readers.Each book contains an originals and engaging Little Critter story about a situation that most kids will find familiar--a trip to the zoo, a day at camp, a class outing. These stories offer more than just entertainment. They are based on McGraw-Hill's respected educational SRA Open Court Reading Program used in schools all over the country. Skill-based activities and a word list at the end of each book help reinforce learning.