The Tears of Jehovah — Gary Martin

A MOTHER'S BETRAYAL, A FATHER'S LEGACY
A camel-jumping desert marauder turns out to be Branan's half sister Zarah. As they travel together, Branan comes across his sworn enemy, and he and Zarah are forced to act quickly in order to save a young woman from an evil fate. In the process, Branan faces familiar dangers and finally learns the secret to his inherited strength.