| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| A Stopover in Venice | Paperback | 978-0-307-38650-2 | 2009 | |
| Cat | " | 978-0-7502-6857-8 | 2012 | |
| Dog | " | 978-0-7502-6858-5 | 2012 | |
| Mysteries of Alien Visitors and Abductions | " | 978-0-7787-4154-1 | 2008 | Brian Innes |
| Mysteries of Giant Humanlike Creatures | " | 978-0-7787-4156-5 | 2008 | " |
| Mysteries of the Ancients | " | 978-0-7787-4160-2 | 2009 | " |
| Mysteries of the Bermuda Triangle | " | 978-0-7787-4157-2 | 2008 | " |
| Mysteries of the Mind | Library Binding | 978-0-7787-4149-7 | 2009 | " |
| Mysteries of UFOs | Paperback | 978-0-7787-4158-9 | 2008 | " |
| Mysteries of Water Monsters | " | 978-0-7787-4159-6 | 2008 | " |
| The Mystery of Atlantis | " | 978-0-7787-4165-7 | 2009 | " |
| The Mystery of the Ghosts of Flight 401 | Library Binding | 978-0-7787-4142-8 | 2008 | " |
| The Mystery of the Ghosts of Flight 401 | Paperback | 978-0-7787-4155-8 | 2008 | " |
K. W. · K. Walker · Kathryn M. Walker · Kathryn Walker Author · Kathryn Walker Tubb
Alfred A. Knopf · Crabtree Publishing · Wayland