The right-hand page or leaf of a book (5)

I believe the answer is:

recto

(Other definitions for recto that I've seen before include "right page" , "One page" , "Right-hand pages of book" , "Right-hand page of an open book" , "Side of paper" .)

I've seen this clue in The Guardian.

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.