About the book, from the publisher:
The epic voyages continue in The Tree of Water, the fourth adventure in bestselling author Elizabeth Haydon’s acclaimed fantasy series for young readers, The Lost Journals of Ven Polypheme.--Marshal Zeringue
As Royal Reporter of the land of Serendair, it is the duty of young Charles Magnus "Ven" Polypheme to travel the world and seek out magic hiding in plain sight. But Ven needs to escape the clutches of the nefarious Thief Queen, ruler of the Gated City, whose minions are hunting for him. His friend, the merrow Amariel, has the perfect solution to his dilemma: Ven and Char will join her to explore the world beneath the sea.
As they journey through the sea, Ven finds himself surrounded by wonders greater than he could have ever imagined. But the beauty of the ocean is more than matched by the dangers lurking within its depths, and Ven and his friends soon realize that in order to save thousands of innocent lives, they may have to sacrifice their own. For everything in the ocean needs to eat…