By Yaron Steinbuch

March 10, 2017 | 4:11pm | Updated

You can’t judge a book by its cover, especially the No. 1 bestseller on Amazon — 266 blank pages about why Democrats deserve votes.

“Reasons to Vote for Democrats: A Comprehensive Guide,” by Daily Wire managing editor Michael J. Knowles, published Feb. 8, features the image of a donkey covered by the Stars and Stripes.

“You can go cover-to-cover in about 15, 20 seconds,” the conservative journalist told “Fox & Friends” on Thursday about the ultimate in light reading.

“It took a very long time to research this book,” he said. “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.

“When I started researching the book and going through this exhaustive study process, at first I turned to the 2012 Democratic National Convention, and it turned out they were deciding whether or not to include God in their party platform,” he said.