As her mother prepares to be a contestant on the 1980s television game show, “The $20,000 Pyramid,” a twelve-year-old New York City girl tries to make sense of a series of mysterious notes received from an anonymous source that seems to defy the laws of time and space.
- ISBN: 9780385737425
- Published: 2009 , Wendy Lamb Books
- Themes: Fantasies and supernatural, Mysteries and detectives, New York City, Time travel
- Descriptors: Intermediate (ages 9-14), Newbery, Science Fiction, United States
- No. of pages: 208