Paperback: 240 pages
Publisher: Liberty Street (October 27, 2009)
Language: English
ISBN-10: 1603208240
ISBN-13: 978-1603208246
Product Dimensions: 7 x 0.8 x 9 inches
Shipping Weight: 12 ounces
Average Customer Review: 5.0 out of 5 stars See all reviews (2 customer reviews)
Best Sellers Rank: #2,460,466 in Books (See Top 100 in Books) #55 in Books > Teens > Hobbies & Games > Games & Activities > Puzzles #1291 in Books > Children's Books > Activities, Crafts & Games > Games > Puzzles #1414 in Books > Humor & Entertainment > Puzzles & Games > Sudoku
Age Range: 12 and up
Grade Level: 7 and up
Tricky puzzles ,also tough, and then fiendish. These are what they say they are, and I have been doing these for years.Also I love the variety which keeps one from getting bored; especially when I spend as much time on these while my family is watching the TV . I can still listen and do my puzzles.
Hard as Heck is the most challenging puzzle book published. Other books say their puzzle levels are hard. These puzzles exceed those. My favorite is the Samurai, (a connected five square Sudoku.
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