| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Once and Future Giants: What Ice Age Extinctions Tell Us About The Fate Of Earth's Largest Animals | 978-0-19-993116-3 (0-19-993116-X) | 2012 |
| Once and Future Giants: What Ice Age Extinctions Tell Us About the Fate of Earth's Largest Animals | 978-0-19-537012-6 (0-19-537012-0) | 2011 |