TREDITION CLASSICS · ValdeBooks
| title | ISBN-13 (ISBN-10) | year of publication | |
|---|---|---|---|
| A Book of Discovery | 978-1-4444-5919-7 (1-4444-5919-8) | 2010 | |
| A Book of Discovery The History of the World's Exploration, From the Earliest Times to the Finding of the South Pole | 978-3-8472-3258-2 (3-8472-3258-4) | 2012 |