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Genius mathematician, Dr. Dennis Shasha, here sets out his latest book-length mind-twister. Made up of many smaller segments, some of which can be solved by ten year-olds and some which are more challenging, the detective work requires no more than high school geometry and junior high school algebra. In every case, imagination trumps knowledge. The puzzles are set in a larger story of a mathematical detective named Dr. Ecco, his nephew and niece, and Professor Scarlet, the narrator. Scarlet is essentially the Watson to Dr. Ecco's Sherlock Holmes, asking the questions a reader might ask. Each puzzle is posed in a plausible if imaginary real-life setting. There are no hidden facts, no abduction here, just deductive logic and mathematical thought. Overlaying these puzzles are the ramblings of Dr Ecco's old nemesis, Benjamin Baskerhound. He seems to be on the run, but he's trying to tell Ecco his whereabouts in a way that only Ecco will understand. The evidence builds up and readers are invited to send in their solutions. The winner will receive a pre-paid trip to the home of modern mathematics, Sir Isaac Newton's Greenwich Observatory.
Not content with Cox's (1893-1971) hero status among a small cult following, Australian historian Turnbull provides significant new information about the English writer of crime detective fiction and introduces him to a wider academic sphere. He also describes Cox's other genres, such as humor and satire, and investigates his preoccupation with anonymity and use of pseudonyms. Paper edition (unseen), $16.95. Annotation copyrighted by Book News, Inc., Portland, OR
A picture tells a thousand words . . . or does it? These diverse puzzles each illustrate a different form of illusion. There’s even a crossword puzzle grid with a hiding place tucked inside. The accompanying captions explain the visual and psychological processes that allow these illusions to work—and make them endlessly compelling. Each beautiful picture puzzle contains a mystery: hidden or camouflaged figures that play tricks on your eyes. Some may blend into the background. One image may conceal another. Even though our brain tries to pinpoint and focus on the richly detailed designs, it just can’t. And because of their complexity, these illusions fascinate our eyes, stimulate our minds, and expand our imagination.
The longer you look, the more you get fooled. That's the excitement of optical illusion puzzles--especially when they are as colorful as these. Coins rearrange themselves. Pictures disappear and reappear. Your eyes are deceived, and you must figure out how; fortunately, your mind is sharper than your gaze. Start looking, get smart, and have fun. Eighty-two puzzles in all.
After a long series of professional failures, the last one costly, Louise Christys life is finally on track with the sudden success of her newly established business, a very special perfume shop. But within weeks, her triumph is stubbed out by her brother, who informs her that her spectacular turnover is due to something else: Her favorite shop clerk, the extraordinary Toko, is exhibiting herself in the shop windows mornings when she has the shop to herself. Unable to believe the outrageous news and incapable of spying on her favorite girl to verify it, Louise hires homely, slow-moving Jane, not to be shop manager as her ad indicates, but scarecrow: Posted in the shop mornings, Jane is to ward off illicit conduct that could be damaging to Ms Christys yields. For her part, Jane is determined to do everything she can to establish credibility with her new employer and secure her cushy, do-nothing job in the glamorous business world. The circumstances spell near disaster for the well-meaning proprietress.
Picking up where Book I left off... Once again, why settle for the ordinary when you can experience extraordinary?! Combining: - The challenge of crossword puzzles, - The look of three dimensional rendering, - And the fascination of optical illusions! This book is sure to be a crossword experience you have never had before! While most crossword puzzles are kept within the limitations of the traditional cross-box, these crossword puzzles know no such bounds. Not only are words formed going across and down, they also can go across-up and across-down! Each crossword puzzle is uniquely constructed, having its own special design and intriguing look. With creative themes and wordplay, each puzzle is sure to keep your attention, while challenging your mind as it attempts to adjust to each optical illusion! This is sure to be a unique crossword puzzle experience for all crossword puzzle enthusiasts!
Combining the challenge of crossword puzzles, the look of three dimensional rendering, and the fascination of optical illusions! This book is sure to be a crossword experience you have never had before! While most crossword puzzles are kept within the limitations of a traditional cross-box, these crossword puzzles know no such bounds. Not only do words go across and down, they also can go across-up and across-down! Each crossword puzzle is uniquely constructed, having its own special design and intriguing look. With creative themes and wordplay, each puzzle is sure to keep your attention, while challenging your mind as it attempts to adjust to each optical illusion! This is sure to be a unique crossword puzzle experience for all crossword puzzle enthusiasts!
A full-color celebration of stunning visual illusions and the science behind them In Champions of Illusion, Susana Martinez-Conde and Stephen Macknik present a smorgasbord of mystifying images, many selected from their Best Illusion of the Year Contest. Whether it’s false motion, tricks of perspective, or shifting colors, Champions of Illusion is packed with adventures in visual perception. If you have ever found yourself face-to-face with an utterly bewildering illusion, you know the powerful effect such images have on the mind. The question we often ask ourselves is, How is that possible? Martinez-Conde and Macknik, who study the intersection of neuroscience, illusions, and stage magic, explain just why we think we see the things we see. The Best Illusion of the Year Contest draws entries from vision scientists, artists, magicians, and mathematicians bent on creating today’s most beguiling illusions. Featuring the contest’s most bizarre effects and unbelievable mind tricks, along with classic illusions and illuminating descriptions of what is actually going on in your brain when you are deceived by visuals on the page, Champions of Illusion is an electrifying mix of science and magic that you will not soon forget.
Presents more than one hundred optical illusions, with explanations of the reasons for their effects
A fascinating collection of 270 visual conundrums to test your perception and boost your intelligence.