Features a handy-sized format, so that puzzle lovers can play this game wherever the mood takes them.

This monster edition of KenKen contains 300 3x3 to 9x9 size puzzles with "How to Solve" instructions and an introduction by puzzlemaster Will Shortz. The puzzles use all four mathematical operations and increase in difficulty. Features: · 300 easy-to-hard sudoku · Edited by legendary New York Times crossword editor Will Shortz · Big grids with lots of space for easy solving

Are you experienced? These are the hardest KenKen for super-solvers only!

An international manhunt sets the scene for an explosive thriller in the second Brit in the FBI novel featuring Special Agent Nicholas Drummond. After working with Special Agents Lacey Sherlock and Dillon Savich, Nicholas Drummond has joined the FBI. Now, he and partner Mike Caine are in an eleventh-hour race to stop a madman from finding a cache of lost World War I gold—and a weapon unlike anything the world has ever seen... “A thriller packed with nonstop action, real-life name-dropping and enough cutting-edge science to make you wonder how much of it could be true.”—Kirkus Reviews

Volume 2...for Experts! Get ready for 100 more of the most brain-bending, mind-melting KenKen puzzles ever! This second collection of expert puzzles, hand-selected by our most experienced team of "Kenerators," is engineered to mystify, challenge, and entertain solvers for hours on end. Find out why Will Shortz, NPR Puzzle Master and New York Times Puzzle Editor calls KenKen "The most addictive puzzle since Sudoku!" You can never get enough of KenKen, "The Puzzle That Makes You Smarter."

Its time to break out of the box: the traditional 3x3 puzzle box, that is! This assortment of engaging and challenging variants takes sudoku up a notch. The creative twists include overlapping and unusually shaped grids, special rules that make solvers up their game, and even super-large sudoku for an extra-fun experience.

6x9 150 Page College-Ruled Notebook for Jiu Jitsu students, MMA fans, and grappling sports teachers. Get a black belt in writing with this handy notebook.