Greenhaven Press · Meisha Merlin Publishing, Inc. · Penguin Books Ltd · Penguin Putnam · Walker & Company
| title | media type | ISBN-13 | year of publica- tion |
|---|---|---|---|
| Children of the Star | Paperback | 978-1-892065-14-8 | 2000 |
| Contemporary Issues Companion - Extraterrestrial Life | Board book | 978-0-7377-3253-5 | 2005 |
| Contemporary Issues Companion - Extraterrestrial Life | Paperback | 978-0-7377-3254-2 | 2005 |
| Enchantress from the Stars | " | 978-0-14-250037-8 | 2008 |
| Journey Between Worlds | " | 978-0-14-240828-5 | 2007 |
| Journey Between Worlds | Hardcover | 978-0-399-24532-9 | 2006 |
| The Far Side of Evil | " | 978-0-8027-8848-1 | 2003 |