BET YOU CAN''T DO THIS! CROSSWORDS

Crossword lovers are always on the lookout for a challenge—something rough enough and tough enough to give their mental muscles a real workout. These 75 puzzles fit the bill. With clues that range from geography and technology to popular culture and witty wordplay, it pushes solvers to search every nook and cranny of their brain. Adding to the fun, almost all the crosswords have a stimulating theme—like the sci-fi fun-filled "Roswell"; "Homophone Humor"; or "Award-Winning Roles." And the final puzzle tops off the collection with a real skill-tester. Can you complete it? We say no—but it’s up to you to prove us wrong!

There’s so much entertainment here, who could resist?

John M. Samson has edited over 250 puzzle books for Simon & Schuster's Crossword series and has had several daily and Sunday crosswords published in The New York Times. He recently authored puzzle books for ARE YOU SMARTER THAN A 5th GRADER? (Harper Collins). John also writes for the stage, screen, and television. He lives in Central New York

Sam Bellotto Jr. has been making puzzles professionally since 1979 in the Sunday New York Times Magazine. Today he contributes regularly to all the major crossword puzzle markets, including The New York Times, and also does a weekly crossword feature for high-profile newspapers and magazines. Bellotto's company, Crossdown, develops word puzzle computer games and software as well as the puzzles themselves. Crossdown has garnered the top People's Choice Award from the Educational Software Cooperative (ESC) four times between 1998 and 2004.