Martin King and the Prison of Ice (Martin King, #2)

Martin, Darcy and Tommy are just like any other teenagers-except that they have superpowers.
A fleet of Axis Lord ships is flying to Earth on a mission of destruction. Martin and his friends must help to raise an army against the aliens. Two ancient prophecies are soon to be fulfilled, and Martin King is somehow involved...
But who is the enigmatic Mulciber, who seems to know so much about Martin? And what is the mysterious Prison of Ice?
"This is the second book in the acclaimed Martin King series. The first book has been described by reviewers as a "hit" and a "majestic masterpiece.""