The 39 Clues: Vespers Rising

Vespers Rising is a part of The 39 Clues franchise, which includes the 39 Clues books, card packs, and interactive online games. The book is a transition between the first series, The 39 Clues, and the second, Cahills vs. Vespers. It was written by Rick Riordan, Peter Lerangis, Gordon Korman, and Jude Watson. The book was released on April 5, 2011. Unlike the other 10 books (with the exception of the last one), the title card shows a series of dots rather than a globe.