The reader's decisions control the course of an adventure in which two spaceships travel to investigate a black hole.
- ISBN10 1442452846
- ISBN13 9781442452848
- Publish Date 21 August 2012 (first published 7 December 1989)
- Publish Status Active
- Publisher Simon & Schuster
- Imprint Simon & Schuster Books for Young Readers
- Format eBook
- Pages 160
- Language English