Solve history's greatest puzzles with this classic collection of brain teasers from The Best Brain Teasers of All Time. The best brain teasers are those that have challenged and captivated the attention of puzzle lovers throughout time. Collected here to keep your wits sharp, The Best Brain Teasers of All Time features the cleverest brain teasers from around the world and throughout history. The Best Brain Teasers of All Time gives you hours of fun-filled entertainment with brain teasers that develop your problem-solving skills in math, logic, and wordplay. Organized as an integrated challenge, these brain teasers build in momentum as they increase in difficulty from classic nursery rhymes to the riddle of the sphinx. The Best Brain Teasers of All Time puts your mind to the test with: 125 Brain Teasers that require no special skills to solve. Plus, each question comes with an optional clue in case you get stumped and a handy answer key in the back to test yourself or play with friends Brain Teasers for Every Level that cater to beginners and advanced masterminds alike, with brain teasers organized by level of difficulty to improve your skills as you move forward Hints of History that provide fun facts and background information for every brain teaser Get ready to sharpen your wit with every "aha" moment. The Best Brain Teasers of All Time is a go-to source for timeless fun and mind-blowing challenges.

Discover the adventure and excitement of mathematical puzzles. Match your wits with the human computer. Sharpen your intellect, delight your friends and enjoy hours of purposeful entertainment. Mathematics is not always hard, mind-boggling stuff. It can also be simple, delightful and interesting. Many famous mathematicians are known to be devoted to peg jumping puzzles. It is perhaps this kind of play that leads to scientific discoveries. The celebrity author, Shakuntala Devi, is regarded as 'authentic heroine of the twentieth century'. She calculates faster than the fastest computer, is listed in the Guinness Book of World Records and continues to amaze audiences around the world with her feats of calculation.

Enjoy figuring out creative solutions to real-world problems that have led to important inventions, discoveries, and innovations throughout history! Do you love trivia quizzes... but wish these didn't rely so much on useless facts that you either know or you don't, leaving no room for actual thinking? Do you enjoy logic puzzles... but want to learn something more valuable than just getting correct answers to abstract, theoretical problems? Something more practical and fundamental? This book aims to change the game. The problems in this book are related to erudition in fundamental areas - nature, technology, business, science, how things work, or why things are made in a certain way. But, unlike in trivia or jeopardy, you most probably do not know the answer. Instead, logic, out-of-the-box thinking, or intuition leap should be added to your general knowledge to puzzle out the correct solution. Experience walking in the footsteps of discoverers, inventors, and innovators through taking on real-world problems that challenge you to tap into lateral thinking and creativity. In this book, you will find: + 241 engaging problems across 12 fascinating topics: Ingenious Inventions, Business Innovations, Nature & Science, Historical Happenings, Folk Wisdom from different cultures around the world, and many more. + All problems have additional hints, which make it much easier to brainstorm. + Answers have explanations, going beyond fun facts, providing more insight and subject matter knowledge. + Chapters are arranged by difficulty and subject, so you have complete control over how you play. + An easy-to-navigate format eliminates the need to flip back and forth between sections, helping you keep the fun going and avoid accidentally stumbling upon answers. Each version of the book (ebook, paper book, audiobook) has its distinct structure. + All content is family-friendly and is ideal for adults and advanced teenagers. The "Easy Problems" chapters also work for gifted children. Children are often very good at ideation (idea generation) and solving problems creatively. Most stumpers of this book can be used as a mind game regardless of age, education, or background. Solo or in a team. + See inside for a link to download your FREE Bonus eBooks. Sharpen your logic, improve your analytical abilities, enhance your creativity, and develop your lateral thinking skills, all while having fun and learning more about the world around you.

Take your brain to the gym and give it a good workout--no pain, no...

Don't think too hard or you'll never solve these logic puzzles and riddles. The answers to all 187 are easy once you catch the tricky wording. How can you tie a knot in a napkin by holding one end in each hand without letting go of it? Impossible, you say (or your friends will say, if you bet them). But: Cross your arms and hold a tip of the napkin in each hand. When you uncross your arms, the knot will be formed! Now try this riddle: I climbed up a cherry tree, where I found cherries. I did not pick cherries, nor did I leave cherries. How can you explain this? Answer: I climbed up a cherry tree with two cherries in my hand. I picked only one. I left the other one on the tree. I did not "pick cherries," because I "picked a cherry." Take this dare: My bird can fly faster than any supersonic plane. Here's how: If you put my bird inside any plane and make it fly in the same direction as the plane, it will go faster than the plane. 96 pages, 52 b/w illus., 5 3/8 x 8 1/4.

To succeed in life, you must 'think outside the box'. This cliché is used to describe creative, non-standard approaches to problem solving. But how does one learn to 'think outside the box'? Unfortunately, there is no simple answer. Author Kiran Srinivas believes that you can significantly improve your thinking abilities, and this book will force you to think in ways you never have before. By sheer practice, you can increase your ability to think creatively. Many of the puzzles in this book will take hours, if not days, to solve, but be encouraged, a middle-school education is sufficient to answer almost all of the puzzles. There are many interview puzzles, and if you plan to interview at an investment bank, consulting firm, high-tech firm, or in any other related field, absorb what 'Brain Teasers' has to offer, as it can be the deciding factor in getting that offer.

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!