Children's books on Dogs available at Amazon

 

May I Pet Your Dog? - Stephanie Calmenson

Be a Dog's Best Friend: A Safety Guide for Kids

(This one covers body language, approach, showing appropriate affection - illustrations are not
great, but content is good) - Remee {amuse * Kemmofer Gladysz

Are You Ready for Me? (Assessing pet readiness & basic care for pets -
beautifully illustrated) - Claire Buchwald

 

Puppy Training for Kids by Colleen Pelar is a fun book which includes training and safety tips.

 

RedRover.org has a list of excellent humane education
children's books as well.