FLEX YOUR brain power like never before! From acclaimed author Dr. Gary Gruber, whose proven critical-thinking methods have sold more than seven million books, this collection of mind-bending brain teasers is sure to challenge even the most experienced problem solver. Inside are logic puzzles, riddles, maddening math problems, mental games, and more! A ship is twice as old as the ship's boiler was when the ship was as old as the boiler is. The ratio of the boiler's age now to the ship's age now is what? What English word contains all the vowels, in alphabetical order? What is the three-digit number that can be made from the digits 2, 3, 5, and 7 where no two digits in the three-digit number are alike, and where the three-digit number is a multiple of each of the digits chosen? Stumped? Dr. Gruber reveals the fascinating explanations and detailed strategies for solving even the trickiest problems using his exclusive Gruber Method. DISCLAIMER: The brain teasers in this book may get you so wrapped up in critical thinking that you may not be able to do your regular work until you solve them! Any abrupt or gradual increase in creativity, intelligence, or motivation to get a better job suited to your newfound talents is strictly the reader's responsibility. For more than thirty years, Gary R. Gruber, PhD, has been recognized as a leading expert on the SAT, test-taking methods, and critical-thinking skills. His methods have been used by PBS, Sylvan Learning Centers, Grolier's Encyclopedia, and school districts throughout the country. Dr. Gruber's innovative problem-solving strategies make up the heart of the new MyMaxScore's online test prep (www.mymaxscore.com).

This compilation of long-inaccessible puzzles by a famous puzzle master offers challenges ranging from arithmetical and algebraical problems to those involving geometry, combinatorics, and topology, plus game, domino, and match puzzles. Includes answers.

Test your thinking skills with these tricky, fun and quirky brain teasers for kids and adults Flex mind muscles and enjoy the wordplay with over 200 word puzzles and picture riddles. Each puzzle and riddle in Puzzling Expressions: Brain Games for Critical Thinking is a commonly used English phrase, and will get you thinking outside of the box! Improve brain health - Stay sharp and exercise your mind with the mental challenge - or just bust that boredom! Teaching tools - Share as an activity with a school class to improve creativity and teach critical thinking skills! Hints and answers - Enjoy testing those mental powers on puzzles of varying levels of difficulty. If you should find yourself stuck, get a hint from the back of that page. Word-count and letter-count hints are included on the back of the page for each puzzle/riddle set. Then check your answer in the answer key in the back, when you believe you've solved the puzzle. Power up that mind and see the English language in a new, fun and creative way!

Put your thinking skills to the test with fun and tricky brain teasers for kids 8 to 12 Get ready to flex your mind muscles and think outside the box with The 100 Best Brain Teasers for Kids. You'll follow Ace the alien wizard and their trusty cat Panther as you tackle puzzles and riddles that test your knowledge of wordplay, logic, and math. Will you rescue the Beloved Crystal from the mischievous Flarkspurians and bring peace to Witloo? The quest is yours to complete! 5 levels of play—Explore 100 brain teasers that get tougher as you go, so you stay sharp and improve your creative thinking skills! Clues and answers—Check the Clues section for hints from Panther if you get stuck, and check the Answer Key at the back when you think you've solved the puzzle. Crafty characters—Meet a whole cast of aliens, wizards, and animal friends as you adventure your way through word ladders, logic grids, number formulas, and more! Power up your mind with brain teasers that help you learn new skills and become an intergalactic hero!

There's nothing better than a tricky brain teaser to test your intellect and satisfy your quest for mental challenge. The search ends with this colossal assortment of classics.

Brain teasers and puzzles designed especially for teens! They'll love the puzzles. You'll love that puzzles improve their brain and thinking processes! Perfect for kids ages 13-17 with a great variety of teen themed puzzles. (Funny yearbook quotes, high school logic puzzles, school jokes and more!) Contains: Brain Teasers (lateral thinking) Word Searches (help with spelling and vocabulary) Mazes (critical thinking) Fun Quizzes (Adulting skills, Are you competitive?) Find the Difference Logic Puzzle Hidden Pictures Cryptograms Fallen Jokes Rebus Puzzles Whether on a road trip or relaxing at home teens will be entertained and challenged!

What do you like, Riddles, Puzzles, Brain Teasers, Ciphers OR You like to try all of them sometimes? The Best Brain Teasers: 199+ Unique Brain Teasers for All Ages is a comprehensive collection of all types of unique, thought-provoking riddles and puzzles for all ages to enjoy. Some riddles can be especially challenging for adults, let alone children, so this book includes a variety of kid-friendly material as well. This book includes a wide assortment of useful information, including: An organized list of brain teasers carefully categorized to make it easier to find just what you are looking for. A more fine-tuned collection of riddles and puzzles. Brain teasers can be found just about anywhere in bookstores or on the internet. This book has singled out the best ones to make a more cohesive selection. Each chapter has a brief description of the following puzzles to avoid confusion. Helpful hints for some of the more challenging riddles and puzzles can be easily found (but not too many; these are brain teasers after all!). The answers to all the puzzles and riddles are compiled in order at the end of the book. Clickable links to hints and answers to make them easy to find. There are so many different types of brain teasers-some of which may be a little more unfamiliar. This book covers unique topics such as lateral thinking riddles, Rebus puzzles, word scrambles, and even ciphers. They provide a welcome break from your average puzzle or riddle and some will take a considerable amount of brain power and even a little help from friends and family to solve. Exercising your brain has never been more enjoyable! So settle in, grab a friend or two, and get ready for hours of fun. From easy riddles to more difficult ciphers and lateral thinking problems, this collection of puzzles will never get old and will provide hours of fun for the entire family. So what are you waiting for, Let's Grab this fun-entertaining book and find out if you are Smart Enough for this riddles & also start enjoying quality time with your kids, friends and family.