Bøger i Caulder Chronicles serien

Amulets that open secret passages to hidden lairs and temples. An underground rebellion for a cold war between three planets. Extraordinary abilities surfacing bit by bit.After finding out that he is part of a set of triplets, Artemius Caulder sets out to locate his long lost sisters with his adoptive cousins Daniel and Jackson. The only problem besides the head-spinning realization of his sisters' existence: Men working for some unknown threat are hot on their tail and seem bound and determined to capture the boys before Arty can reunite with his sisters. As the mission takes them across the globe even more oddities and mysteries are revealed raising more than a few questions. Why were the three separated in the first place? Whom do their foster parents seem to be working for? And what is the cause of the strange abilities the triplets exhibit the closer they get to the truth?