Big book (5)
'big book' is the definition.
(term for a large or heavy book)
This is all the clue.
(Other definitions for tome that I've seen before include "Hefty volume" , "Big book" , "A hefty book" , "War and Peace, say" , "Large heavy book" .)
'big book' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for folio that I've seen before include "Book made of folded sheets" , "outsize book" , "Two-leaf sheet" , "Book size" , "Sheet folded to form two leaves in book - page number" .)