Dr. Sophie Knowles is a professor with a way of making even the most complex math problems fun for her students. But when the school's beloved librarian is found shot to death in the stacks, Sophie learns that her friend was more complex than she ever knew. Includes puzzles and logic problems.
- ISBN10 110156086X
- ISBN13 9781101560860
- Publish Date 1 March 2012
- Publish Status Active
- Publish Country US
- Imprint Berkley Books
- Format eBook
- Pages 304
- Language English