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  • The Poisoned Pen

    Kennedy's suit-case was lying open on the bed, and he was literally throwing things into it from his chiffonier, as I entered after a hurried trip up-town from the Star office in response to an urgent message from him. "Come, Walter," he cried, hastily stuffing in a package of clean laundry without taking off the wrapping-paper, "I've got your suit-case out. Pack up whatever you can in five ... Read more

    $6.99 USD or Free with Kobo Plus

  • How to Win

    A Mathematical Approach to Games and Puzzles

    A New York Times bestselling mathematician reveals how math can take your game playing and puzzle solving to the next level.Imagine entering a bingo parlor where one thousand cards are in play. “I’ll bet that the winning card is horizontal instead of vertical,” a man says. Should you take the bet? Or suppose you’ve reached Final Jeopardy! with $7,000 to your opponents’ $8,000 and $4,000. What ... Read more

    $18.99 USD

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  • Secrets of Mental Math

    The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks

    These simple math secrets and tricks will forever change how you look at the world of numbers.Secrets of Mental Math will have you thinking like a math genius in no time. Get ready to amaze your friends—and yourself—with incredible calculations you never thought you could master, as renowned “mathemagician” Arthur Benjamin shares his techniques for lightning-quick calculations and amazing number ... Read more

    $4.99 USD

  • The Magic of Math

    Solving for x and Figuring Out Why

    The world's greatest mental mathematical magician takes us on a spellbinding journey through the wonders of numbers (and more)"Arthur Benjamin . . . joyfully shows you how to make nature's numbers dance." -- Bill Nye (the science guy)The Magic of Math is the math book you wish you had in school. Using a delightful assortment of examples-from ice-cream scoops and poker hands to measuring mountains ... Read more

    $14.99 USD

  • Global Perspectives on the Definition, Assessment, and Reduction of Bias and Unfairness in Employment Testing

    Series series Educational and Psychological Testing in a Global Context
    The use of tests and assessments in employment-related decision making has the potential to benefit organizations and individuals. However, their use is frequently criticized because of their adverse potential for bias and unfairness. Although issues pertaining to employment testing, bias, and unfairness are extensively researched and written about, previous work has predominately focused on ... Read more

    $65.99 USD

  • Best Nordic Ski Great Escapes 2024

    Best Nordic Ski Great Escapes 2024 is a high-quality and beautifully designed unique, one-of-a-kind annual travel resort guide for cross-country skiers featuring top spots across North America. From 5-star to rustic resorts it covers trails, lodging, dining, attractions and more. A must for all passionate and committed cross-country skiers who are eager to discover countless new trails as they ... Read more

    $5.95 USD or Free with Kobo Plus

  • From Newton to Einstein - The Changing Conceptions of the Universe

    Einstein's contributions to our ideas of time and space and to our knowledge of the universe in general, are of so momentous a nature, that they easily take their place among the two or three greatest achievements of the twentieth century. This book attempts to give, in popular form, an account of this work. As, however, Einstein's work is so largely dependent upon the work of Newton and Newton's ... Read more

    $1.99 USD or Free with Kobo Plus

  • The Treasure Collector

    by David Zeltser ...
    Illustrated by Benjamin Arthur ...
    A funny, quirky tale of friendship, values, and stuff, featuring a remarkable and evolving friendship between a racoon and a starfishEvery night, Reginald goes on the hunt. He loves stuff. All kinds of stuff. To us, it might look like junk, but to Reginald, it's treasure! His most valued treasure of all is a label maker—how else is he supposed to identify each item in his collection?And then one ... Read more

    $13.69 USD

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  • The Fascinating World of Graph Theory

    The history, formulas, and most famous puzzles of graph theoryGraph theory goes back several centuries and revolves around the study of graphs—mathematical structures showing relations between objects. With applications in biology, computer science, transportation science, and other areas, graph theory encompasses some of the most beautiful formulas in mathematics—and some of its most famous ... Read more

    $17.29 USD

  • The Master Mystery

    Peter Brent sat nervously smoking in the library of his great house, Brent Rock. He was a man of about forty-five or -six—a typical, shrewd business man. Something, however, was evidently on his mind, for, though he tried to conceal it, he lacked the self-assurance that was habitually his before the world. A scowl clouded his face as the door of the library was flung open and he heard voices in ... Read more

    $6.99 USD or Free with Kobo Plus

  • The Soul Scar

    Until I receive those materials from Doctor Leslie to make the poison tests, considered Kennedy, as we walked slowly the few blocks to the laboratory, "I can't see that there is much I can do but wait." In his laboratory, he paused before his well-stocked shelves with their miscellaneous collection of books on almost every conceivable subject. Absently he selected a volume. I could see that it was ... Read more

    $6.99 USD or Free with Kobo Plus

  • The Dream Doctor

    Jameson, I want you to get the real story about that friend of yours, Professor Kennedy," announced the managing editor of the Star, early one afternoon when I had been summoned into the sanctum. From a batch of letters that had accumulated in the litter on the top of his desk, he selected one and glanced over it hurriedly. "For instance," he went on reflectively, "here's a letter from a Constant ... Read more

    $6.99 USD or Free with Kobo Plus