| title | ISBN-13 | year of publication | |
|---|---|---|---|
| Face Off | 978-0-441-01903-8 | 2010 | |
| Skin Deep | 978-0-441-01743-0 | 2009 | |
| Uncertain Allies | 978-0-441-02040-9 | 2011 | |
| Undone Deeds | 978-1-937007-25-6 | 2012 | |
| Unfallen Dead | 978-0-441-01689-1 | 2009 | |
| Unperfect Souls | 978-0-441-01838-3 | 2010 | |
| Unquiet Dreams | 978-0-441-01569-6 | 2008 | |
| Unschöne Dinge | 978-3-902607-11-9 | 2008 | |
| Unshapely Things | 978-0-441-01477-4 | 2007 |
D.F. · M. D. · M. F. · M. Franco · Mark F.