Seven Wonders Complete Collection

Seven Wonders is a pentalogy of children's fantasy, adventure and mythological fiction books written by American author Peter Lerangis. It is based on Greek mythology and set around the Seven Wonders of the Ancient World. Jack McKinley discovers a secret organization on a hidden island, and becomes the leader of a mission to retrieve seven lost magical orbs. As Jack and his three friends realize their lives are at stake, they have no choice but to accept the quest and embark on the challenge.