4-Letter Words    by Ted Summerfield
Price: $0.99 USD. 6700 words. Published on May 13, 2010. .
“How many 4-letter words can you make from a given word or series of words?” is the object of these puzzles. I give you a word like TABLET, or words, IPHONE APP, and you make as many 4-letter words as you can from the given letters then compare them with my Solutions. These 320 puzzles are a fun way to exercise your brain and test your vocabulary. Includes link to onelook online dictionary.

5-Letter Words    by Ted Summerfield
Price: $0.99 USD. 5890 words. Published on October 16, 2010. .
Here are 320 fun ways to test your vocabulary knowledge and to discover new words. You are given a word or a series of words and you make as many 5-letter words as you can from that word or series of words. Sound simple? Sometimes it is, sometimes it isn't. A link to one-look online dictionary is included in each puzzle and solution section. Great fun and a great way to learn new words.

What is Sudoku? A Beginner's Guide to the Brain Teaser Puzzle Game of Sudoku, One of the World's Best Word Games and Mind Jolt Games for Exercising Your Brain    by Grant John Lamont
Price: $4.97 USD. 23780 words. Published on April 13, 2011. .
Have you ever heard of the Sudoku game? If you do, then you must be following all the trends that are happening around you. Anyway, who does not know anything about it? The children, youth and the elder know how to play the Sudoku game. Sudoku game is a new Japanese puzzle game that is taking the entire world by storm. It started as an unknown game but it already conquered Japan on the 80s.

You CAN Prevent Alzheimer's!: A Neuropsychologist's Secrets to Better Brain Health    by Dr. Thomas Harding, Psy.D., M.A.
Price: $9.99 USD. 68020 words. Published on June 18, 2011. .
The road to dementia starts in middle age. The good news- the majority of these future dementia cases are due to factors that are entirely preventable! You CAN Prevent Alzheimer's! provides the proper road map that shows how to get off the road to dementia and back on the path to better brain health and joyful golden years.

Brain Training Tips - Improving Your Memory    by TK Rowland
Price: $1.00 USD. 10190 words. Published on October 29, 2011. .
Do you ever take the time to consider all the things our brain does for us? Our brain tells our body what to do. Whatever function we want the body to do, our brain tells it to do it. However, our brain has many more functions that are equally, if not more, important. Our brains keep us mentally alert and healthy, so it's vital that we keep our brains as healthy as possible too.

More 5-Letter Word Puzzles    by Ted Summerfield
Price: $0.99 USD. 6320 words. Published on May 16, 2012. .
If you enjoyed my first 5-letter word puzzle ebook then you'll have even more fun with these 320 new ways to test your vocabulary knowledge. You are given a word or a series of words and you make as many 5-letter words as you can from that word or series of words. Sound simple? Sometimes it is, sometimes it isn't. A great way to increase your vocabulary.