The universe throws a lot of puzzles at us, as Einstein well knew. Solving them requires logic, creativity, diligence, and a good memory. In this puzzle book, you can challenge your inner Einstein with logic, verbal, and number games, as well as some devious riddles. Every page offers something new. Puzzle types include cross math, logidoku, number sequence, letterbox, and plenty of number and word riddles. Over 190 puzzles. Answers in back of book. Spiral bound for easy puzzle working.

A unique compilation of logical teasers and lateral-thinking problems designed to stretch your brainpower and strengthen your mind. Riddles, paradoxes, and conundrums have been confusing and confounding people since at least the time of the Ancient Greeks. The eponymous riddle, according to legend, was devised by Albert Einstein as a child. He claimed that only about 2% of the population would be able to work out the correct answer. There are no tricks and there is only one answer. It requires the cool application of logic to solve. And a lot of patience. Einstein's Riddle features fifty of the toughest logic problems, lateral thinking puzzles, and tests of mental agility. By turns entertaining and infuriating, the puzzles challenge our preconceptions, tell us about how we reason, and provide a rigorous intellectual workout.

Step into the mind of the greatest physicist of all time Try to think like Einstein as you come to grips with 120 enigmas, quizzes, and tests of logic based on his greatest work: the theory of relativity, E=mc2, Brownian Motion, zero-point gravity, and many other groundbreaking ideas, all woven into some of the best puzzles ever. With so many incredible discoveries to draw on, plus a selection of Einstein's most illuminating quotes and over 200 illustrations, this lavishly produced book will open the door to a range of stunning scientific concepts. As the great man once said: "You have to learn the rules of the game. And then you have to play better than anyone else"--a challenge that all puzzle enthusiasts will find irresistible.

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!

From the author of Einstein’s Riddle comes a collection of ingenious puzzles that will stimulate your brain while also introducing you to science’s most intriguing concepts, paradoxes, and unsolved conundrums. How can a cat be both dead and alive? Can you travel back in time to kill your own grandfather? How can a particle also be a wave? And where are the aliens? After guiding readers through warm-up logic puzzles designed to sharpen the wits, Jeremy Stangroom tackles time dilation, wave-particle duality, time travel, and quantum entanglement, along with many other scientific phenomena. Engaging your critical thinking skills while at the same time challenging your sense of reality, Einstein’s Twin is a must-have for any avid puzzler’s library.

Test your intelligence and creative thinking against these murderous puzzles! More than 100 varied puzzles themed around murder and crime test your verbal, logic, and memory skills. Includes cryptograms themed around famous crimes, anagrams, word ladders, logic puzzles, and more. A complete answer key is found at the back of the book. Spiral bound 192 pages

Solve it like Sherlock: Generations of readers have made Sherlock Holmes the world's most famous fictional detective. Now, you have a chance to test your mettle and see how you measure up as a sleuth. These puzzles will test your memory, observational skills, and deductive skills -- and your knowledge of Arthur Conan Doyle's stories! You'll decipher cryptograms, anagrams, and secret codes, test your memory of crime scenes, untangle mystery-themed logic puzzles, and more. So put on your thinking cap and get ready to investigate! -- Cover, page [4]