Willa of Dark Hollow by Robert Beatty is the second book in the Willa of the Wood series. I do recommend reading this in order- to understand the main character ad what she has already been through. 
Willa and her clan are the last of the Faeran, an ancient race of forest people who have lived in the Great Smoky Mountains for as long as the trees have grown there. But as crews of newly arrived humans start cutting down great swaths of the forest she loves, she is helpless to stop them. How can she fight the destroyers of the forest and their powerful machines? When Willa discovers a mysterious dark hollow filled with strange and beautiful creatures, she comes to realize that it contains a terrifying force that seems to be hunting humans. Is unleashing these dangerous spirits the key to stopping the loggers? Willa must find a way to save the people and animals she loves and take a stand against a consuming darkness that threatens to destroy her world.
Willa of Dark Hollow is a stunning follow up to Willa of the Wood. I was glad to see Willa's story continue- and sad to see the trials that she had to face. There were many twists and turns, some which I saw creeping up and others that caught me completely off guard. The weaving of history, the natural world, magic, and all the emotions that give the characters life is extremely well done. The way the characters are all dynamic- showing the good and bad inherent in people and nature- might reach young readers that never had to consider that all sides of a story see themselves as the good guy, no matter how few people agree. People, and the world, are complicated and finding the right answer is not always possible- sometimes finding the best possible answer is the best we can do. This is a book that I knew would destroy me (in the best of ways of course) so I admit that I was both eager to pick it up- and dreading the read. I loved all the related books and while I needed to know what happened next I was also dreading finishing it ad having to wait for more, and worried that it might not live up to my expectations. The only fear that might be realized is tat I do believe this might be the end of this series.
Willa of Dark Hollow is a wonderful read, with a great deal of though and emotion provoking action and ideas. Fans of the author need to read it- and I highly recommend this series and the companion series that started it all- Serafina.
