Elf Realm: The High Road (Elf Realm book 2) by was just released in the U.S.
Description: From the publisher: In The High Road, Matt and his sister Becky must work with the elves and Tomtar the troll to save the Cord and the human and elf worlds. After forming an uneasy alliance, Matt, the elf Tuava-Li, and Tomtar set off to find the sick and dying tree at the northern pole, whose roots bind the worlds together through the Cords. The trio must restore the tree to bring well-being to the realms. Meanwhile, Becky accompanies Asra to free Becky's parents, held captive in the elfin kingdom of Helfratheim. To their horror, both groups discover that Brahja-Chi has begun kidnapping human children for a mass sacrifice to appease the goddess. Not only do they have to accomplish the tasks they originally set out to perform, but now they must also stop the fiendish Brahja-Chi and her accomplice, Jardaine.
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