Put your wits—and survival instincts—to the test! Publisher’s Note: Perilous Problems for Puzzle Lovers was previously published in the UK under the title So You Think You’ve Got Problems? In Perilous Problems for Puzzle Lovers, Alex Bellos collects 125 of the world’s greatest stumpers—many dangerous to your person, and all dangerous to your pride. Brace yourself to wrestle with wordplay, grapple with geometry, and scramble for survival. For example . . . Ten lions and a sheep are in a pen. Any lion who eats the sheep will fall asleep. A sleeping lion will be eaten by another lion, who falls asleep in turn. If the lions are all perfect logicians, what happens? Bellos pairs his fiendish brainteasers with fascinating history, so you’ll meet Alcuin, Sam Loyd, and other puzzle masters of yore—in between deranged despots and wily jailers with an unaccountable taste for riddles. Will you make it out alive? And what about the sheep?

Put your wits—and survival instincts—to the test! Publisher’s Note: Perilous Problems for Puzzle Lovers was previously published in the UK under the title So You Think You’ve Got Problems? In Perilous Problems for Puzzle Lovers, Alex Bellos collects 125 of the world’s greatest stumpers—many dangerous to your person, and all dangerous to your pride. Brace yourself to wrestle with wordplay, grapple with geometry, and scramble for survival. For example . . . Ten lions and a sheep are in a pen. Any lion who eats the sheep will fall asleep. A sleeping lion will be eaten by another lion, who falls asleep in turn. If the lions are all perfect logicians, what happens? Bellos pairs his fiendish brainteasers with fascinating history, so you’ll meet Alcuin, Sam Loyd, and other puzzle masters of yore—in between deranged despots and wily jailers with an unaccountable taste for riddles. Will you make it out alive? And what about the sheep?

Puzzle lovers, rejoice! Bestselling math writer Alex Bellos has a challenge for you: 125 of the world’s best brainteasers from the last two millennia. Armed with logic alone, you’ll detect counterfeit coins, navigate river crossings, and untangle family trees. Then—with just a dash of high school math—you’ll tie a rope around the Earth, match wits with a cryptic wizard, and use four 4s to create every number from 1 to 50. (It can be done!) The ultimate casebook for daring puzzlers, Can You Solve My Problems? also tells the story of the puzzle—from ancient China to Victorian England to modern-day Japan. Grab your pencil and get puzzling!

“A brilliant collection of puzzles. Never has getting the answer wrong felt so good!”—G. T. Karber, author of Murdle Most people get these puzzles wrong. Will you beat the odds? From mathy mind-benders to eye-fooling illusions, here are 70 perplexing puzzles of every kind. But they all have one key thing in common—a wrong answer that seems so right! In Puzzle Me Twice, you’ll have to think—and think again—to overrule your first instinct and uncover the truth. For example: If a hen and a half lays an egg and a half in a day and a half, how many eggs do half a dozen hens lay in half a dozen days?* Bestselling author Alex Bellos wrangles math and physics, logic and wordplay, optical illusions, card games, and more to tie readers’ brains in pleasurable knots. It’s a merry tour of the many ways our reasoning can go wrong—and how we can be more fool-proof in the future. Puzzle on! *Four times as many hens, over four times as many days, lay 16 times as many eggs: 1.5 × 16 = 24 eggs.

Are you smarter than a Singaporean ten-year-old? Can you beat Sherlock Holmes? If you think the answer is yes - I challenge you to solve my problems. Here are 125 of the world's best brainteasers from the last two millennia, taking us from ancient China to medieval Europe, Victorian England to modern-day Japan, with stories of espionage, mathematical breakthroughs and puzzling rivalries along the way. Pit your wits against logic puzzles and kinship riddles, pangrams and river-crossing conundrums. Some solutions rely on a touch of cunning, others call for creativity, others need mercilessly logical thought. Some can only be solved be 2 per cent of the population. All are guaranteed to sharpen your mind. Let's get puzzling!

So you think you've got problems? In this book, you will be: Imprisoned by a sadistic logician. Challenged to raise dogs from the dead. Trapped on a burning island. And much more besides . . . Everything is at stake in this compendium of more than 150 ingenious puzzles, selected to reveal the wonderful diversity of brainteasers that have confounded and intrigued solvers for the last thousand years. You'll need to pit your wits against probability problems, wrestle with wordplay, grapple with geometry and scrabble for survival. Along the way you will discover stories of whip-smart thinkers, eccentric novelists and a poodle with allegedly supernatural powers. You will absorb fascinating and important mathematical ideas. Some solutions will rely on ingenuity, some will challenge you to spot hidden patterns, others call for extreme rationality. All will surprise, entertain and stretch your brain. Will you make it out with your puzzling pride intact?

Put your noggin to the test with the most famous brain games of all time! Puzzles and brainteasers can be found throughout history and around the world (did you know that coded messages date all the way back to 2500 BCE?). This book collects 125 of the most popular and challenging mind-benders for hours of fun-filled entertainment that can sharpen your creative thinking skills. Get ready to dive into famous math, logic, and word puzzles like Odd One Out, Fibonacci's Legacy, the Polybius Cipher, and more. Bring it on road trips, to family game night, or give it as a gift, and get everyone involved in the puzzle-solving fun! Fun for anyone—You don't need any special skills to solve these puzzles, and clues and answer keys are there to help you if you get stumped. 5 challenge levels—A wide variety of puzzle types and challenge levels ensures there's something to solve for puzzle masters of all ages and skills. Hints of history—Every time you tackle a new puzzle, you'll learn fun facts about where it comes from and how long it's been around. Get ready to sharpen your mind with the ultimate book of mind-blowing brain teasers.

This brand-new puzzle book features 200 logic questions of varying types and difficulty. Mental workout warriors and logic lovers will adore The Everything Book of Logic Puzzles Volume I. You’ll learn ten different kinds of puzzles and how to solve each, with the difficulty slowly increasing from basic to expert as you go along. And every single puzzle is specifically designed to improve memory, vocabulary, and logical reasoning. With increasingly difficult puzzles ranging from introductory to fiendish, and comprehensive answers to explain each puzzle, this book is perfect for puzzlers of all ages and skill levels!

What a bargain! At more than 700 puzzle-packed pages, this huge, value-priced collection should keep any solver happy...and busy for a very long time. It contains brain-busting challenges of almost every type: math logic problems for the numerically inclined; absolutely amazing lateral thinking conundrums; really great critical thinking bafflers; and mind-boggling word puzzles. Here's just a small sample of what's inside: The 22nd and 24th presidents of the United States had the same mother and the same father, but were not brothers. How could this be so? Stumped? That's because it's one man--Grover Cleveland--who was reelected after skipping a term. And that's just an easy warm-up!