The Perilous Sea by Sherry Thomas -- 414 pages
Iolanthe and Titus are back at school after the summer and both are anxious to begin again with their plans to kill the Bane. But Titus makes a shocking discovery and suddenly their plans are blown apart, as well as their friendship.
Iolanthe can hardly stand to be around Titus, not until he stops holding his mother's diary as the end-all to every argument.
But what if the diary is wrong? Could this recent turn of events be their downfall?
The Perilous Sea is book 2 in the Elemental Trilogy.