Mensa Guide to Solving Sudoku: Hundreds of Puzzles Plus Techniques to Help You Crack Them All

This book by Peter Gordon is pretty comprehensive. As an avid Soduku solver, I found tips that I never knew existed! Who knew they had names for solving techniques. If you love Soduku, you should give this book a read. Read more about the book including reader reviews at Amazon.

Google Bar Code

 

Google is celebrating the invention of the bar code on its home page.

If you have a bar code scanner on your iPhone or Android phone, scan the bar code and...

If you can figure this out, you may have a future with Google.

8 M L D Q 6   T   U I
6 T F M L   R H   A A
N R A 6 Q   8 E F L
D M Q 8 6 I I 2   O 3
2 S 5 J   1 3 J X O J

via TechCrunch's Google Is Searching For Beautiful Minds, But So Far No M.I.T. Students Have Broken Its Code. 

Crop Circles. 51.327629, -0.5616088. puzzle?

 

query: crop circles

clue: 51.327629, -0.5616088

Unexplained Phenomenon. Puzzle?

query: unexplained phenomenon

Clue:
twitter @google: 1.12.12 25.15.21.18 15 1.18.5 2.5.12.15.14.7 20.15 21.19