Polar Shift is the sixth book in the NUMA Files series of books co-written by best-selling author Clive Cussler

Clive Cussler

Clive Eric Cussler is an American adventure novelist and marine archaeologist. His thriller novels, many featuring the character Dirk Pitt, have reached The New York Times fiction best-seller list more than seventeen times...

 and Paul Kemprecos

Paul Kemprecos

Paul Kemprecos is an American writer of mysteries and adventure stories. He is a Shamus Award-winning author of six underwater detective thrillers, and has been co-writing with Clive Cussler the "NUMA Files" novels, which focus on Kurt Austin, head of NUMA's Special Assignments Team and his...

, and was published in 2005. The main character of this series is Kurt Austin.

In this novel geologic polar shift is connected with magnetic polar shift, based on the supposed theories of Laszlo Kovacs, a student of real life Nikola Tesla

Nikola Tesla

Nikola Tesla was a Serbian-American inventor, mechanical engineer, and electrical engineer...

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