Genesis
Paul Chafe
Ark (1)
The Other Sky
Keith Laumer
Niss (1)
Undeadly
Michele Vail
The Reaper Diaries (1)
The Number File
Franklin W. Dixon
Hardy Boys Casefiles (17)
Valkyrie 101: How to become a Valkyrie
Arizona Tape
The Afterlife Academy: Valkyrie (1)