Enter a clue or pattern or both:
The Clue
Book size, in printing (6 letter answer)
The Answer
QUARTO
Tags
Notes
The answer QUARTO is so rare that it appears less than once every 2500 puzzles.
Related Clues
Certain book, sizewise
Book size
Definition
QUARTO as a noun:
1. (quarto, 4to) = the size of a book whose pages are made by folding a sheet of paper twice to form four leaves