This is the perfect boxed set of brain-bending crossword puzzles to help improve your cognitive skills. Crossword Puzzles encapsulates words from various horizons to build a robust vocabulary. This boxed set is a must-have for all! • 680+ engaging and fun crossword puzzles • 8000+ words help build robust vocabulary • Intriguing clues increase general knowledge • Answer sheets at the back maintain transparency • Perfect boxed-set to cherish screen-free time