Sleator William : Singularity (Hbk)
Sixteen-year-old twins Harry and Barry stumble across a gateway to another universe, where a distortion in time and space causes a dramatic change in their competitive relationship.
- Paperback | 170 pages
- 139.7 x 256.54 x 20.32mm | 498.95g
- 01 Apr 1985
- Penguin Books Ltd
- United States