Thick-Shelled Books More Durable Than Paperbacks

This page is the CodyCross answer for the clue below from Sense of Smell, Group 1465, Puzzle 4 (Nasal Cavities).

Question is: Thick-Shelled Books More Durable Than Paperbacks

and the answer is: HARDBACKS

Word Meaning:

HARDBACKS — plural of hardback

Definitions from Wiktionary.