The Cahills thought they were the most powerful family the world had ever known. They thought they were the only ones who knew about Gideon Cahill and his Clues. The Cahills were wrong.

Powerful enemies --the Vespers-- have been waiting in the shadows. Now it's their time to rise and the world will never be the same. In Vespers Rising, a brand new 39 Clues novel, bestselling authors Rick Riordan, Peter Lerangis, Gordon Korman and Jude Watson take on the hidden history of the Cahills and the Vespers, and the last, terrible legacy Grace Cahill leaves for Amy and Dan.

This book is part of a book series called 39 Clues .

There are 240 pages in this book. This book was published 2011 by Scholastic US .

Peter Lerangis is the author of many books for young readers, including wtf , Smiler's Bones , the Watchers series, The Sword Thief , and the New York Times bestselling 39 Clues series. Peter lives with his wife and two sons in New York City. Visit him at PeterLerangis. com. Jude Watson is the author of two 39 Clues books, BEYOND THE GRAVE and IN TOO DEEP, and the bestselling Star Wars: Last of the Jedi and Jedi Quest series. As Judy Blundell, she wrote WHAT I SAW AND HOW I LIED, the 2008 winner of The National Book Award for Young People's Literature. She lives in Katonah, New York with her husband and daughter. Rick Riordan is the author of the hugely popular Percy Jackson series. Gordon Korman published his first book at age fourteen and since then has written more than ninety middle grade and teen novels. Favorites include the New York Times bestselling Ungifted, Supergifted, The Unteachables, Pop, Schooled, and the Masterminds series. Gordon lives with his family on Long Island, New York. You can visit him online at www. gordonkorman. com.