Inspired by Charles Babbage, who believes that his Difference Engine can calculate the longitude of a solar eclipse, astronomer Selena Cott invents a technique to photograph it and embarks on a dangerous journey into the American Southwest.
- ISBN10 0553802089
- ISBN13 9780553802085
- Publish Date January 2004 (first published 1 January 2003)
- Publish Status Active
- Out of Print 25 February 2015
- Publish Country GB
- Publisher Transworld Publishers Ltd
- Imprint Bantam Books (Transworld Publishers a division of the Random House Group)
- Format Hardcover
- Pages 306
- Language English