
FantasySci-FiYoung Adult
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About
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.
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Rating integrity
HealthyCounted ratings come from accounts older than 7 days and were made on or after publication. Finished readers weigh ×1.0. Readers who have not finished yet weigh ×0.5. Did-not-finish ratings are shown but not counted.
Editions
6 editions- Hardcover · English · 1997Peter Smith Publisher · 9780844669038
- Other · English · 1999Tandem Library · 9780808575238
- Other · English · 1995Puffin · 176 pages · 9780140375985
- Other · English · 1988Macdonald · 144 pages · 9780356139913
- Other · English · 1986Bantam Books · 198 pages · 9780553256277
- Other · English · 1985E.P. Dutton · 170 pages · 9780525441618
Science fictionTwinsFictionJuvenile fictionChildren's fictionFantasy fictionSpace and time













