A blogger got a copy Q.R. Markham’s Assassin of Secrets and started comparing it to other books. Here's just one example:
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Markham, Page 13: “His step had an unusual silence to it. It was late morning in October of the year 1968 and the warm, still air had turned heavy with moisture, causing others in the long hallway to walk with a slow shuffle, a sort of somber march.”
Taken from Page 1 of James Bamford’s Body of Secrets: Anatomy of the Ultra-Secret National Security Agency: “His step had an unusual urgency to it. Not fast, but anxious, like a child heading out to recess who had been warned not to run. It was late morning and the warm, still air had turned heavy with moisture, causing others on the long hallway to walk with a slow shuffle, a sort of somber march.”
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To see many, many, many more examples, click here.
There are so many it seems like this almost falls into the category of typing. To call it plagiarism would be a compliment.
Edited to add: a poor author who blurbed it has actually found SIX pages in a row where the only thing that differed from another author's work was the names of the characters.