Crossword Genius

Bookstore section (5)

Ross

I believe the answer is:

howto

(Another definition for howto that I've seen is " manual".)

I've seen this clue in the Newsday and the LA Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.