| Insiders' Guide to Glacier National Park, 5th: | | |
| Hiking Big Bend National Park: A Guide to the Big | | |
| Hiking Mount Rainier National Park, 3rd: A Guide | | |
| Fenway Park: America's Most Beloved Park: A | | |
| The Park and the People: A History of Central Park | | |
| The Park and the People: A History of Central Park | | |
| Geometry and Quantum Field Theory: June 22-July | | |
| The Adventures of Bubba Jones (#2): Time | | |
| The Adventures of Bubba Jones (#3): Time | | |
| The Adventures of Bubba Jones (#4): Time | | |
| South Mountain Park and Preserve: A Guide to the | | |
| America's Switzerland: Estes Park and Rocky | | |
| Great Basin National Park : A Guide to the Park | | |
| Ron Kay's Guide to Zion National Park: Everything | | |
| Big Bend: Big Bend National Park, Texas (National | | |
| Morristown: A History and Guide, Morristown | | |
| Charlestown Navy Yard: Boston National Historical | | |
| Yellowstone: A Natural and Human History, | | |
| Mammoth Cave: Mammoth Cave National Park, | | |
| Birds of Shenandoah National Park, Blue Ridge | | |