Crossword Genius

Book that becomes a synonym for "Finally!" when "t" is added to the end (5)

Ross

I believe the answer is:

atlas

(Other definitions for atlas that I've seen before include "It appears at the top of the spine" , "Asian satin" , "Album of maps" , "A geog. book; N. African range" , "book of world records?" .)

I've seen this clue in The New York 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.