Best 4th Grade Books for the Classroom - WeAreTeachers Best 4th Grade Books. 1. Nightsong by Ari Berk. A beautiful picture book just waiting for a class read-aloud. As Chiro, a young bat, is sent out into the night by himself for the first time, his mother gives him some good advice. Navigating the world around him will be easy, as long as he uses his good sense.