OAK RIDGE, TN - After 10 years of writing Brain Teasers, Dr. Sophronia Ward is taking a break from her monthly column to write several books. In celebration of the success of this column, Dr. Ward and her colleagues at Pinnacle Partners want to give you the opportunity to solve this final Brain Teaser. The deadline is January 15, 2010.

See how much you have learned during the past 10 years and have a chance to win one of three great prizes for your efforts.

First prize: Kindle (international version)
Second prize: Set of three Pinnacle Partners-authored books
Third prize: One Pinnacle Partners-authored book

A random drawing will be conducted to determine the winners from all correct entries. Answers and winners will be posted by February 1, 2010.CLICK HEREto solve the final Brain Teaser.