150 difficult general knowledge crossword puzzles packaged in a stylish paperback - this is the perfect quiz crossword gift book for adults who like a serious challenge! Featuring over 3, 000 difficult general knowledge quiz questions - the questions/clues are arranged on one page with 13 x 13 crossword grids on the opposite facing page, and answers/solutions are easily found in the back of the book. Printed in a highly portable format, the book can be taken on your travels or sit neatly on your bedside table.