Little does AZ know that this summer will be his most thrilling--and dangerous--adventure yet. After a time-traveling mishap, AZ finds himself in Ophir, a lost city full of wonder, secrets . . . and cursed tombs.

AZ must rely on his new friends and his gut to get him home. But first, he must summon the courage to guard magic artifacts from a repulsive villain. Will blood-thirsty crocodiles, turbulent rapids, and a stomach-churning feast stand in his way? Or does he have what it takes to join the Alliance of World Explorers?