"The Quiet Book" is geared for a younger audience. Each page has an illustration of different situations that require silence and is accompanied by a few words explaining the situation. The teacher could explain that different emotions or occurrences can be present in many different situations. Students can do an activity listing different situations where you need to be quite or expand to include other one situation that causes the same emotion. 

More ideas here:

http://storypath.upsem.edu/the-quiet-book/

"Little Tree" is a great book for a younger class. This book shows children the importance of change and the growth that it brings you. Could be followed with a discussion or writing activity depending on the grade level explaining changes they are faced with.

In this book is written from the point of view of a tree. Would be beneficial in teaching differing points of view