THESE ARE ALL JUST UNDER A5 SIZE AND EACH CONTAINS 170 CROSSWORD PUZZLES. CROSSWORD BOOKS. EACH BOOK IS WIRO SPIRAL BOUND, SO IT LAYS FLAT WHEN IN USE AND FEATURES A LAMINATED CARDBOARD COVER. GREAT VALUE AND GREAT FOR KEEPING ADULTS AND OLDER CHILDREN BUSY ON THOSE DREARY WINTER EVENINGS OR WHILST TRAVELING.