Favorite features of this activity book: What’s Inside? This 128-page full-color workbook includes an answer key. About Evan-Moor A leader in PreK–8 educational publishing, Evan-Moor has been a trusted partner of teachers and parents for over 40 years. Our mission is helping children learn, and we do this by creating resources that motivate children to learn important skills and concepts across the curriculum while also inspiring a love of learning.