Great Problems

No Calculator? No Problem! Mastering Mental Math , award-winning professor of mathematics and celebrated “mathemagician” Arthur T. Benjamin delivers 10 fun-filled lessons on how to do math in your head with confidence, accuracy, and speed - sometimes faster than a calculator. By the end of Professor Benjamin’s lessons, you’ll be able to add, subtract, multiply, and divide numbers faster than ever before. And with your newfound skills, you’ll soon find yourself amazing other people and, perhaps more important, yourself.

The Great Mental Models: General Thinking Concepts is the first book in The Great Mental Models series designed to upgrade your thinking with the best, most useful and powerful tools so you always have the right one on hand. This volume details nine of the most versatile all-purpose mental models you can use right away to improve your decision making, your productivity, and how clearly you see the world.

His work is cited by the world's best-known thought leaders, from Steve Jobs to Malcolm Gladwell. In this classic best seller - one of the most influential business books of all time - innovation expert Clayton Christensen shows how even the most outstanding companies can do everything right - yet still lose market leadership. Christensen explains why most companies miss out on new waves of innovation.

Filled with hundreds of specific examples and organized into a coherent framework of practical concepts that can be applied by managers and entrepreneurs at all levels, Built to Last provides a master blueprint for building organizations that will prosper long into the 21st century and beyond.

En este audiolibro de cálculo mental, el matemático Arthur Benjamin enseñará a los oyentes, ya sean estudiantes que preparan algún examen o clientes que quieren comprobar el total de su compra, los principios básicos de operaciones mentales como la suma, la resta, la multiplicación y la división. Además, los oyentes explorarán el arte del cálculo aproximado para resolver operaciones que no requieren resultados exactos.

The Great Game of Business started a business revolution by introducing the world to open-book management, a new way of running a business that created unprecedented profit and employee engagement. The revised and updated edition of The Great Game of Business lays out an entirely different way of running a company.

A practical four-step methodology for any leader or manager facing a tough choice, and for creating integrative solutions to big, complex, and pressing problems. Stimulating and practical, Creating Great Choices blends storytelling, theory, and hands-on advice to help any leader or manager facing a tough choice.

Matt is inside Maggie's head, and their oddly dangerous frenemies are gone for the time being, but their troubles are only just beginning. Cyrilla is out of commission and some young witches are setting themselves up to be her successors...and courting Cole in the process. Which annoys Maggie, given that she's his girlfriend now.

In 1714, England's Parliament offered a huge reward to anyone whose method of measuring longitude could be proven successful. The scientific establishment--from Galileo to Sir Isaac Newton--had mapped the heavens in its certainty of a celestial answer. In stark contrast, one man, John Harrison, dared to imagine a mechanical solution--a clock that would keep precise time at sea, something no clock had been able to do on land. And the race was on....

Everyone has problems. But throughout more than 45 years of studying God’s Word, Joyce Meyer has learned how to find the answer for every problem you face in the Bible–and she wants to share it with you. In Overcoming Every Problem, Joyce helps you gain the ultimate wisdom you need when challenges arise. No matter how big or how deep the pain of your situation, you’ll be encouraged and inspired to trust God for better days ahead.

Imagine you’ve just come back to work after a two-week vacation during which you actually relaxed, without calling in or checking e-mail. You discover that there are no pressing issues and that, on the contrary, your team scored a big new customer and fixed a nagging problem during your absence. No red flags or fires to put out. Sadly, for most leaders this scenario is only a dream. They constantly check on what’s happen­ing because they expect the worst (and usually get it).

Volume 4 of The Great Mental Models series delves into the realms of economics and art, presenting more than twenty-four valuable ideas with clear language and style. This book equips you with an understanding of the dynamics shaping our world. It will teach you strategies to leverage these principles and give you a significant edge in the aspects of life you value most.

Volume 2 of The Great Mental Models series provides a collection of over twenty important concepts from physics, chemistry, and biology in a clear and accessible style. Not only will you better understand the hidden forces that influence the world around you, you’ll also learn how those forces can work to your advantage.

Volume 3 of The Great Mental Models series focuses on systems and mathematics, simplifying more than twenty-four key concepts from these technical fields into easy-to-understand terms. It provides insights into the unseen mechanisms that influence our environment and teaches you how to apply these principles to benefit your life.

Decisions equal success - nothing happens until one is made. Businesses make millions of decisions every day. But once in a great while a leader makes a truly game-changing decision that shifts not only the strategy of a single company but how everyone does business. These big decisions are counterintuitive - they go against the conventional wisdom. In hindsight, taking a different direction may seem easy, but these bet-the-company moves involve drama, doubt, and high tension.

New York Times best-selling author Newt Gingrich lays out the stakes of the 2020 elections and what the end results could mean for the future of American citizens. Trump and the American Future by Newt Gingrich will lay out the stakes of the 2020 election and provide a clarion call for all Americans on why it is vital to return President Trump to the White House for a second term.

Three complete stories in one collection! Includes The Great Bicycle Race Mystery, The Mystery of the Wild Ponies, and The Mystery in the Computer Game.

From terror attacks to the War on Terror, bursting real-estate bubbles to crystal meth epidemics, sexual predators to poisonous toys from China, our list of fears seems to be exploding. And yet, we are the safest and healthiest humans in history. Irrational fear is running amok, and often with tragic results. In the months after 9/11, when people decided to drive instead of fly - believing they were avoiding risk - road deaths rose by 1,595. Those lives were lost to fear.

Navy Ace pilot and TOPGUN instructor Bill Driscoll demonstrates how his own life-or-death aerial dogfights - and the preparation for them - can help guide high-risk corporate decisions. Interviews with over 200 senior executives and 26 Ace pilots, as well as strategies from Driscoll's own highly successful second career in commercial real estate, reinforce the consistent patterns underlying exceptional performance under pressure.

All aboard the Owl Express! Nate, the great detective, and his dog Sludge, hit the rails on their latest case. Their mission: To guard an owl named Hoot. Hoot belongs to Nate’s cousin, Olivia Sharp, and she thinks someone on the train might be out to get her feathered friend. But whooo? Sludge keeps an eye on the owl’s cage while Nate snoops for clues. Then Hoot disappears! With many suspects to question, and many places to look, Nate knows one thing for sure - being the bodyguard to a little bird is a lot more work than he ever imagined!