Barnes & Noble store #2772 in Las Vegas has put together 39 CLUES backpack filled with the first 10 books SIGNED by each author. The authors are: Rick Riordan, Gordon Korman, Peter Lerangis, Linda Sue Park, Jude Watson, Patrick Carman, and Margaret Peterson Haddix. (Some authors wrote more than one of the 10 books and in that case, both books are signed.)
And don't forget! Use code bookfair #1048605 at any Barnes & Noble to send 10% of your purchase to the United Way! More details here.