Two Faith-building Detective Zack stories in one! The Secrets in the Sand In the land of Abraham and Moses; Zack and his dad are trying to solve new mysteries as they help Dr. Doone film a video about archeology. Their guide’s son; Achmed; joins the group; and the two boys become fast friends as they camp along the shores of the Dead Sea; dodge deadly snakes; and ride camels along the same desert roads as the Bible heroes from the Old Testament. The Red Hat Mystery Zack's trip to the Middle East has taken a mysterious turn. Ever since the man in the red hat joined their tour group; someone keeps trying to steal their video-camera bag. From Mount Sinai to Jerico; and from the valley where David fought Goliath to the pool of Gibeon; Zack; his new friend Stephanie; and Achmed try to keep one step ahead of a thief while gathering more clued to prove that the Bible stories are true. Every action-packed Detective Zack story builds faith in the Bible while capturing the imaginations of young minds that crave adventure.