Here is a list of books I recommend about raising children in general:
Easy to Love, Difficult to Discipline by Becky A. Bailey
Above all be Kind by Zoe Weil
You are your Child's First Teacher by Rahima Baldwin Darcy
The Incredible Years by Carolyn Webster-Stratton
Articles about the benefits of Play
Old Fashioned Play Builds Serious Skills
The Decline of Play in Preschoolers and the Rise of Sensory Issues
Articles Related to Parenting
Negative Emotions are Key to Well-Being
How to Raise a Creative Child. Step One : Back Off