Wolf Brother Book Series books 5 & 6?

answers1: The 5th book is called Oath Breaker. <a
href="http://astore.amazon.co.uk/michellepaver-21/detail/1842551744/278-0573619-6690519"
rel="nofollow"class=Clr-b>http://astore.amazon.co.uk/michellepaver...</a>
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The 6th book is called Ghost Hunter. It's coming out on August 29,
2009 in the U.K. <a
href="http://www.amazon.co.uk/Ghost-Hunter-Chronicles-Ancient-Darkness/dp/1842551752"
rel="nofollow"class=Clr-b>http://www.amazon.co.uk/Ghost-Hunter-Chr...</a>
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List of the books in the series so far: <a
href="http://en.wikipedia.org/wiki/Michelle_Paver#Published_works"
rel="nofollow"class=Clr-b>http://en.wikipedia.org/wiki/Michelle_Pa...</a>