Book Review of “Linear Shift”


“Linear Shift” eBook was published in 2015 and was written by Paul B. Kohler ( This is Mr. Kohler’s first novel.

I obtained a galley of this novel for review through I would categorize this novel as ‘PG’ as there are a few instances of Mature Language and Mature Situations. This Science Fiction/Time Travel novel is set in contemporary times as well as in the 1940s, mostly in San Francisco and France.

The main character is Peter Cooper. Cooper is unemployed, drinks too much, is a widower and has two children still at home. He has many bills and is about to loose his home when he is approached by General Applegate, whom he vaguely remembers from his enlistment in the Army many years earlier.

Applegate recruits Cooper to join in a secret mission. A mission that will take Cooper and three others back in time to 1942. The mission is planned to slightly alter the timeline and shorten World War II. A secret society, the Global Nation Initiative, is aware of work on time travel and have been doing their best for decades to see that research into time travel is not successful. But the Society would like to see World War II end sooner.

I found the plot to be very interesting and different. Unfortunately I found the story to be a little on the dull side with some facets of the story difficult to accept, such as the trip by steamer from New York to an occupied France, then back. There were many sub plots, not all of which were really addressed in this story. Perhaps they are the seeds for a sequel. So many things happened to Cooper and his fellow travelers that the contemporary time line would be heavily disrupted. I felt that this novel had far more potential than resulted with the end product. I give this novel a 3.5 (rounded up to 4) out of 5.

My book reviews are also published on Goodreads (

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