Get your brain working with 200 grid-based logic puzzles from the Puzzle Baron! Filled with complex and fun brain teasers that range in difficulty, this book will put your mind into overdrive with hours of brain-challenging fun. Using the given backstory and list of clues, readers use pure logic to deduce the correct answer for each fiendishly tricky puzzle in Puzzle Baron's Logic Puzzles. Bring out your competitive side and check your stats against the average completion time, the record completion time, and the percentage of people who finish the puzzle. Check your work against the answer key and see how logical you really are! Perfect for adults or children, Puzzle Baron's Logic Puzzles is the ultimate challenge for those who love piecing clues and facts together. The brain is a wonderful thing to tease!

Inquisitive kids ages 5 and up will be entertained for hours...just don't forget to blink! Spot the differences in all 90 puzzles. Do you like a good challenge? Have you ever won a staring contest? Sleuth your way from the teacher's desk, to the basketball court, to the party table, in all 90 of these colorful puzzle scenes! Sharpen your pencil and get ready to use your detective skills in Puzzle Baron Kids Picture Puzzles. Compare the original image on the left to the altered one on the right. Can you detect the subtle changes? Can you solve them all? Mix it up with a wide range of kid-friendly puzzles--from easy as pie to irresistibly baffling. Each puzzle will feature between 6 and 12 changes. Check your work against the visual answer key to see how observant you really are (or to cheat when the going gets tough!).

Features strings of code for solving cryptograms. This title contains cryptograms that feature quotes by some of the most famous, articulate people in the world including Mark Twain and John F Kennedy.

Balance Quest is a numeric progression puzzle consisting of a set of rectangles arranged within a hierarchical grid. Some of the rectangles contain positive or negative integers, while others are blank. The objective is to fill in each blank rectangle with an integer in a way that “balances” the puzzle mathematically. The puzzle features three skill levels (Easy, par, and challenging) with three grid sizes: BQ Sixteen (small-grid), BQ Thirty-two (medium-grid), and BQ Sixty-four (large-grid). Solve time can range from 5 minutes for the "easy" small puzzles to hours for the "challenging" large puzzles. This puzzle is for ages 10+.

Enagage your mind with the challenge of hundreds of Sudoku puzzles. From the successful 'Puzzle Baron,' the creator of the popular puzzlebaron.com game site. Puzzle Baron's Sudokuis the perfect book for the ever growing number of compulsive Sudoku enthusiasts. With a total of 400 Sudoku puzzles-25 easy, 100 medium, 175 hard, and 100 super hard Sudoku puzzles-this smart, symmetrical, elegant, and thoroughly addicting book will challenge and satisfy your mind.

From the creator and editor of the extremely popular puzzlebaron.com website for the ever-growing number of compulsive acrostic puzzle enthusiasts, Puzzle Baron's Acrostics has a total of 100 acrostic puzzles, plus answers in an easy-to-use answer key.

A handy, paperback book perfect for popping into a pocket or school bag, packed with puzzles, games and activities that will put your powers of logic to the test. It is a well-known fact that you can exercise your brain just as you might exercise your body; this book will keep children's grey cells in tip-top condition. A great book to take on journeys or holidays, featuring some puzzles to solve alone and others that the whole family can get involved with. Part of a collectible series of B-format puzzle activity books.

Help children get hooked on learning as they solve puzzles involving both words and visuals. With more than 70 puzzles, this book is sure to spark visual, logical, spatial, and mathematical thinking. Perfect for spare classroom moments or hours of learning fun at home.