1. “The Rainbow Fish” by Marcus Pfister: This book teaches the importance of sharing and friendship through the story of a beautiful fish who learns to share his scales.

2. “The Berenstain Bears: Too Much Teasing” by Stan and Jan Berenstain: This book addresses the issue of teasing and how it can hurt others, emphasizing the importance of kindness and empathy.

3. “Have You Filled a Bucket Today?” by Carol McCloud: This book introduces the concept of kindness and encourages children to show appreciation and empathy towards others by “filling their buckets.”

4. “Chrysanthemum” by Kevin Henkes: This heartwarming story promotes acceptance and self-esteem as Chrysanthemum, a little mouse, learns to embrace her unique name despite facing teasing from other children.

5. “The Way I Feel” by Janan Cain: With vivid illustrations, this book helps children identify and express their emotions, promoting emotional intelligence and understanding of others’ feelings.

6. “The Recess Queen” by Alexis O’Neill: This book addresses bullying and promotes kindness by showing how a seemingly mean girl transforms when treated kindly.

7. “Hands Are Not for Hitting” by Martine Agassi: Through simple rhymes and colorful illustrations, this book teaches children alternative ways to express anger and promotes peaceful interactions.

8. “Enemy Pie” by Derek Munson: This story teaches the importance of friendship and forgiveness as a young boy discovers the power of empathy and understanding

9. “The Invisible Boy” by Trudy Ludwig: This book emphasizes the value of inclusivity and kindness towards quiet or misunderstood children, highlighting the impact small acts of friendship can have.

10. “Do Unto Otters: A Book About Manners” by Laurie Keller: This funny yet educational book teaches children about good manners, respect, and consideration for others in a whimsical way.

11. “A Sick Day for Amos McGee” by Philip C. Stead: This heartwarming tale teaches empathy and kindness through the story of Amos, a zookeeper, and his animal friends.

12. “The Juice Box Bully” by Bob Sornson and Maria Dismondy: This book tackles the issue of bullying and encourages children to stand up against it, promoting empathy and positive peer interactions.

These twelve children’s books provide valuable lessons in social skills, empathy, kindness, and friendship, making them excellent resources for teaching children important life lessons.