Zan-Gah, seeking his lost twin brother in a savage prehistoric world, encounters adventure, suffering, conflict, captivity, and final victory. In three years hero passes from an uncertain boyhood to a tried and proven manhood and a position of leadership among his people. Themes include survival, brotherhood, cultures, gender roles, psychological trauma, and nature's wonders and terrors. This is the electronic version of Zan-Gah: A Prehistoric Adventure, which has been awarded Mom's Choice Gold Medal for Series, the Eric Hoffer Notable Book Award, and was a finalist for ForeWord Magazine Book of the Year.