Lisa Trumbauer has written early-learner books for Scholastic's Jump Start series and published numerous other activity books, picture books, and novels for middle-school readers, including the New York Times bestseller A Practical Guide to Dragons.
Quarantine reading. I thought this would be way beyond my 2 year old but she surprised me. Not only did she enjoy the book but she chimed in with other examples of gravity and liked learning the new word.