The No. 1 bestseller on Amazon, "Reasons to Vote for Democrats: A Comprehensive Guide," is a book consisting of 266 blank pages.

The book jokingly claims to be the “most exhaustively researched and coherently argued Democrat Party apologia to date."

Conservative Ben Shapiro also provides a review of the empty book, calling it "thorough."

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The book is authored by Michael J. Knowles, the managing editor of the Daily Wire, which was founded by Shapiro in 2015.

Folks, the top-selling book on https://t.co/05FJOpBC6b, is from DW's own @michaeljknowles. It is a blank book. https://t.co/CbDsIkaVRd — Ben Shapiro (@benshapiro) March 9, 2017

In an interview with Fox News on Thursday, Knowles said the decision to leave the pages blank was based on what he has observed about the Democratic Party over the past decade from a policy perspective.

“I’ve been observing the Democratic Party for at least 10 years now, and when I observed their record and reasons to vote for them — on reasons of economics or foreign policy or homeland security or civil rights and so on — I realized it was probably best to just leave all the pages blank,” Knowles said.

Amazon customers can buy the book in paperback for $7.08.