Dover Publications · HarperCollins · Kessinger Publishing, LLC
| title | ISBN-13 | year of publica- tion |
|---|---|---|
| A Monograph of the Pheasants | 978-0-486-26579-7 | 1990 |
| A Monograph of the Pheasants | 978-0-486-26580-3 | 1990 |
| Arcturus Adventure | 978-0-06-090846-1 | 1981 |
| Galapagos: World?s End | 978-0-486-25642-9 | 1988 |
| Jungle Days | 978-1-4179-2879-8 | 2004 |