Home › Authors › Christopher Danielson 👤 Christopher Danielson 6 books Books by Christopher Danielson How Did You Count? How Did You Count? 2025 How Many? + Teachers Guide How Many? + Teachers Guide 2018 How Many? A Counting Book 2018 Which One Doesn't Belong? 2016 Which One Doesn't Belong?: A Shapes Book, Teacher's Guide with Student Book 2016 Common Core Math For Parents For Dummies with Videos Online 2015