Series

Crosstime Traffic

Crosstime Traffic is a series of books by Harry Turtledove. The central premise of the stories is an Earth that has discovered access to alternate universes where history proceeded differently. "Crosstime Traffic" is the name of the company with a global monopoly on the technology.
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Curious Notions

book by Harry Turtledove

author: Harry Turtledove

2004

Gunpowder Empire

novel by Harry Turtledove

author: Harry Turtledove

2003

In High Places

book by Harry Turtledove

author: Harry Turtledove

2005

The Disunited States of America

book by Harry Turtledove

author: Harry Turtledove

2006

The Gladiator

book by Harry Turtledove

author: Harry Turtledove

2007

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