| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2018 | 978-0-9854969-0-6 | Thomas R DuHamel | The Ins and Outs of Poop: A Guide to Treating Childhood Constipation |
| 2012 | 978-0-9854969-1-3 | Thomas R. DuHamel | The Ins and Outs of Poop: A Guide to Treating Childhood Constipation |
| 2015 | 978-0-9854969-3-7 | Thomas R DuHamel | Softy the Poop: Helping Families Talk About Poop |