| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| If In Doubt, Blame The Aliens!: A new scientific analysis of UFO sightings, alleged alien abductions, animal mutilations and crop circles | 978-O-595-15693-1 (O-595-15693-2) | 2001 |
L.G. · L -H · L. Howarth · Leslie Howarth