Are you teaching your students about growth mindset? These books by Kobi Yamada are perfect for helping students understand how to reframe issues. What Do You Do With and Idea and What Do You Do With a Problem are an easy-to-use, brilliant resource for your classroom!
"Say Please, Little Bear" is a great book to teach early learners polite manners. This can be used in the beginning of the schooler year to emphasize manners and how to be polite to one another in the classroom.