C C · C C. G · C. G. · C. Gilpin
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| National Geographic Readers: Abraham Lincoln | 978-1-4263-1085-0 (1-4263-1085-4) | 2012 |
| National Geographic Readers: Barack Obama | 978-1-4263-1759-0 (1-4263-1759-X) | 2014 |
| National Geographic Readers: George Washington | 978-1-4263-1468-1 (1-4263-1468-X) | 2014 |