The included New York Times book Crosswords to Boost Your Brainpower contains 75 crosswords to sharpen your mind improve your crossword skills and increase your vocabulary. Edited by Will Shortz this volume also contains his Special Solving Tips. Work these brain-boosting crosswords with the included smooth-writing New York Times ballpoint pen. And no crossword puzzle gift set would be complete without The New York Times crossword puzzle ceramic mug. Decorated with the distinctive The New York Times logo and crossword pattern it's the perfect table companion and is sure to become a favorite.