Books by Otto Stanley Wulff

THE UMBER CUBE by Otto Stanley Wulff
Released: March 26, 2012

"An expertly crafted thriller that depicts personal drama amid an international scope, with intense action and relentless pacing."
Frank O'Brien seems to have it all—a beautiful wife, a new baby and a rewarding job doing counter-terrorism work for the U.S. government—but when a plane carrying his wife crashes in South America, he's forced into a dark underworld where the drug trade lords over all. Read full book review >
TROPIC OF DARKNESS by Otto Stanley Wulff
Released: Sept. 11, 2009

"A literary thriller that will leave readers breathless for more."
Rookie DEA agent Frank O'Brien must save a kidnapped boy and the world from a South American drug lord bent on gaining the formula to a compound that causes instant drug addiction in Wulff's debut. Read full book review >