First published 2013
Dan Cahill and his sister Amy have spent months collecting strange objects from around the globe. The mysterious Vesper One demanded these items as ransom for seven kidnapped Cahill family members. The thirteen-year-old Dan and Amy believed they were simply buying the hostages' freedom with each bizarre treasure they recovered. When they hand over the final piece, they learn the horrible truth. Vesper One has assembled the components of a weapon that could kill millions. The kidnapping was just the beginning of a larger plan. Now Dan and Amy must abandon their rescue mission and focus on preventing worldwide destruction. They race against time with their friends to stop Vesper One before he can execute his deadly scheme. The siblings face their greatest challenge as they try to save both their family and the entire world from the Vespers' ultimate plot.
Genres: adventure, mystery, contemporary, thriller, action
Vibes: fast-paced, suspenseful, thought-provoking
Tropes: chosen-one, found-family
270 pages · Hardcover · Scholastic Inc.
Content warnings: kidnapping