Shannon and her friends are on off on another adventure and this time it takes them to someplace they've never been before.After Nate and Trish discover a treehouse on the outskirts of Baile na Sláine, which in Irish means (the Town of Sláine) he's anxious to tell Shannon and the others about it.He tells them it's unlike anything they've ever seen, and when the group of friends follow Nate on this new adventure, they discover not only is the treehouse very unusual, but what's living inside it --too.Join Shannon and her friends for another epicadventure when they discover the mystery that surroundsthe 'Treehouse in the Tulip Trees'.'A Treehouse in the Tulip Trees' is BOOK 10in the series titled "The Treehouse Adventures"