Other ISBN range for Penumbra Publishing: Penumbra Publishing (978-0-9819614-...)
| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2009 | 978-1-935563-00-6 | Dana Warryck | Lucifer's Last Lover |
| '' | 978-1-935563-01-3 | '' | The Protectorate - Patriarch |
| 2010 | 978-1-935563-32-7 | Jamie Wasserman | Blood and Sunlight: A Maryland Vampire Story |
| 2011 | 978-1-935563-51-8 | Natasha Larry | Darwin's Children |