Crosstime Traffic is a series of science fiction YA novels by American novelist Harry Turtledove. Travel between parallel universes is now possible, with the Crosstime Traffic corporation owning a global monopoly on the new technology.

The Crosstime Traffic series began in 2003 with Gunpowder Empire. Below is a list of Harry Turtledove’s Crosstime Traffic young adult series in order of when the books were originally released:

Publication Order of Crosstime Traffic Books


Gunpowder Empire(2003) Best Hardcover PriceBest Paperback PriceBest Kindle Price
Curious Notions(2004) Best Hardcover PriceBest Paperback PriceBest Kindle Price
In High Places(2005) Best Hardcover PriceBest Paperback PriceBest Kindle Price
The Disunited States of America(2006) Best Hardcover PriceBest Paperback PriceBest Kindle Price
The Gladiator(2007) Best Hardcover PriceBest Paperback PriceBest Kindle Price
The Valley-Westside War(2008) Best Hardcover PriceBest Paperback PriceBest Kindle Price

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Order of Books » Characters » Order of Crosstime Traffic Books