[en] The Ultimate Question 2.0 · How Net Promoter Companies Thrive in a Customer-Driven World Harvard Business Review Press
[en] Mayor Rob Ford Skyhorse
[en] [Four Horsemen 04] • The Gates of Hell Seventh Seal Press
[en] [The Revelations Cycle 07] • For a Few Credits More Seventh Seal Press
[en] Keen Edge of Valor New Mythology Press
[de] Die Pforten der Hölle CKP International
[en] [Four Horsemen 06] • Luck is Not a Factor Seventh Seal Press
[en] [Four Horsemen 06] • Luck is Not a Factor Seventh Seal Press
[en] [Starslider Rejects 01] • Let's Be Pirates Great Star Publishing
[en] [Four Horsemen 04] • The Gates of Hell Seventh Seal Press
[en] [The Revelations Cycle 01] • Cartwright's Cavaliers (The Revelations Cycle Book 1) Seventh Seal Press