Free to learn : why unleashing the instinct to play will make our children happier, more self-reliant, and better students for life / Peter Gray.

Gray, Peter (Peter O.), author.

The case for make believe : saving play in a commercialized world / Susan Linn.

Linn, Susan.

Until the streetlights come on : how a return to play brightens our present and prepares kids for an uncertain future / Ginny Yurich, MEd.

Yurich, Ginny, author.

Play : how it shapes the brain, opens the imagination, and invigorates the soul / Stuart Brown with Christopher Vaughan.

Brown, Stuart L.

The power of fun : how to feel alive again / Catherine Price.

Price, Catherine, 1978- author.

The power of make-believe : parenting through pretend play / Shouger Merchant Doshi.

Doshi, Shouger Merchant, author.

Let the children play : how more play will save our schools and help children thrive / Pasi Sahlberg and William Doyle.

Sahlberg, Pasi, author.

The development of play / David Cohen.

Cohen, David, 1946- author.

Gender-typing of children's toys : how early play experiences impact development / edited by Erica S. Weisgram and Lisa M. Dinella.

The kidult handbook : from blanket forts to capture the flag, a grownup's guide to playing like a kid / Nicole Booz.

Booz, Nicole, author.