| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2013 | 978-0-9823751-0-5 | Edward Miller ยท Joan Almon | Crisis in the Kindergarten: Why Children Need to Play in School |
| 2010 | 978-0-9823751-1-2 | Elizabeth N. Goodenough | Where Do The Children Play?: A Study Guide to the Film |