Two Bunny Buddies by Kathryn O. Galbraith, illustrated by Joe Cepeda is a bouncing buddy book. These two friends argue, go their separate way and then find their way back to each other. It's fun, silly, and preschoolers will respond to it well. At a time when children are happy, mad, sad, and glad again in such a short span, this title fits right in. I'll use this book with preschool and kindergarten children. Here's another example of a great background knowledge tie-in book. The simple text and art go hand-in-hand. Encourage your child to talk about how they feel. You could write down their thoughts and they could draw a picture to go with it. Here are ways to help your child explore their feelings from Jean Warren of Preschool Express, here.