"Excellent.

What's amazing is how much of Cullen's book still comes as a surprise."

— New York Times Book Review

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"More important now than ever."

— Esquire, 2018

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"This superb work of investigation looks to be a definitive account."

— Columbia Journalism Review

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"If I made a list of books that all journalists should read,

Columbine by Dave Cullen would be near the top."

— Poynter Institute

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"Like Capote's In Cold Blood, this tour de force gets below the who and what of a horrifying incident to lay bare the devastating why."
— People

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 "I urge you to read it. I've read it two or three times. It's just an incredible read. It changed my whole perspective on this." 

          — Anderson Cooper