Tom O’Donnell Books In OrderPublication Order of Hamstersaurus Rex BooksPublication Order of Homerooms and Hall Passes BooksPublication Order of Space Rocks BooksLeave a Reply
| Hamstersaurus Rex | (2016) | Description / Buy at Amazon |
| Hamstersaurus Rex vs. Squirrel Kong | (2017) | Description / Buy at Amazon |
| Hamstersaurus Rex Gets Crushed | (2018) | Description / Buy at Amazon |
| Hamstersaurus Rex vs. the Cutepocalypse | (2018) | Description / Buy at Amazon |
| Homerooms and Hall Passes | (2019) | Description / Buy at Amazon |
| Heroes Level Up | (2020) | Description / Buy at Amazon |
| Space Rocks! | (2014) | Description / Buy at Amazon |
| For the Love of Gelo! | (2014) | Description / Buy at Amazon |