Matthew Reilly - The Two Lost Mountains torrent

The Two Lost Mountains
(Jack West Jr #6)
by Matthew Reilly

AN INCREDIBLE VICTORY
BUT AT A TERRIBLE PRICE...

Against all the odds, Jack West Jr found the Three Secret Cities but at a heartbreaking cost.

His beloved daughter Lily, it appeared, was slaughtered by Sphinx in a cruel ancient ritual.

TO THE MOUNTAINS AND THE FALL!

With his rivals far ahead of him, Jack must now get to one of the five iron mountains-two of which have never been found-and perform a mysterious feat known only as 'The Fall'.

Although what is this object on the moon that is connected to it