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.

Who knew having a guy as your best friend would bring so much freaking drama! I, Jasmine Baptiste, am surrounded by it. I wish my heart wasn't so stubborn. Because it seems to like getting me in trouble, and there's no end in sight. The common denominator of all of this is Dante. For the sake of my sanity and even his, we probably have to stay as far away from each other as possible. Book 4 of the I’m Not Dante’s Series

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.

An exciting scientific adventure from the days of wooden ships and iron men, LONGITUDE is full of heroism and chicanery, brilliance and the absurd. It is also a captivating brief history of astronomy, navigation and clockmaking. During the great ages of exploration, "the longitude problem" was...

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.

Avery Tucker thought surviving her first year at the Academy of Elren would be the hardest part. She was wrong. Elren has been chosen to host the Commonwealth Games. Rival teams from Khemer and Mistbound are on their way to the Floating Isle, and the Academy is racing to prepare before the world arrives. Only eight students will make Team Elren, and Avery, a first-year from the Drylands still waiting on her dragon, is not supposed to be anywhere near that list. But the Academy keeps watching her. As tensions rise and secrets surface, Avery’s missing past stops being her problem alone. ...

They had no steel, no electricity, and no computers. They built structures that have lasted four thousand years. Most ancient history books focus on kings and battles. This book focuses on what was actually built — and how. The Great Pyramid. Roman aqueducts. Mesopotamian canal systems. Greek machines. Phoenician harbors. The engineering achievements that made civilization possible, examined through the lens of problem-solving under constraint. What you will learn: How the pyramids were actually built — current theories, evidence, and the organizational engineering behind a 20-year, ...

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.

When the lights suddenly go out across the small town of Maplewood, twelve-year-old Calvin and his mischievous beagle Pudge quickly discover that life without electricity can become one giant hilarious disaster. As the blackout drags on, the town spirals into complete chaos: neighbors fight over generators, raccoons raid garbage cans like tiny bandits, emergency pancakes become dangerously inedible, and somebody keeps sabotaging the town’s repair crews. But when strange flashlight signals begin appearing near the abandoned water tower outside town, Calvin realizes the blackout may hide a ...

New York Times bestselling author Joyce Meyer guides you through 40 promises in the Bible so that no matter what problem you face, you have God’s ultimate wisdom to overcome it! Everyone has problems. But throughout more than 45 years of studying God’s Word, Joyce Meyer has learned how to...

Most problems are fairly easy: they have a few likely potential root causes. The most important problems often have hundreds or thousands of potential root causes within very complex systems. Such problems are hard problems, and are highly resistant to guessing, brainstorming, or problem-solving methodologies that require conjuring a list of possible causes. Great problem-solvers are armed with a set of behaviors that allows them to avoid guessing.

Are you fed up with toxic and ineffective work cultures? Now is the time to be the leader who transforms teams to reach successful outcomes. Picture a world where leaders don't just manage—they inspire. Every interaction becomes an opportunity for growth, and every challenge transforms into a stepping stone for development. This isn't just a vision; it's the reality that coaching leadership creates. This book provides a comprehensive framework for developing coaching leadership skills, backed by real-world examples, practical tools, and actionable strategies. Whether you're managing ...

Every day is full of struggles. We struggle with time; with truth; with authority; with finding peace, purity, and contentment; with our words, thoughts, and actions - and that's just the beginning! Does God speak to us about these daily tests? Is there hope in the struggle? The answer, of course, is yes - but where God speaks about them may surprise you.

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.

Do you sometimes secretly, with guilt, admit a painful truth: that you don’t always like your kid? Do you miss days when you had a happy, healthy relationship… when she wasn’t a pain, didn’t argue with you all the time – and was fun to be around? Do you feel helpless as this goes from bad to worse? Well, the best gift you can give this kid this holiday season is start now and greatly improve relations. Here’s a compelling reason: “Bad marriages start in childhood; with impaired parent-child relationships; with parents who are emotionally unavailable to their kids. For girls, ...

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.

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.

We know that our minds are capable of great things because, every now and then, they come out with a brilliant idea or two. However, our minds are also unpredictable, spending large stretches of time idling or distracting themselves. This is a book about how to optimize these beautiful yet fitful instruments so that they can more regularly and generously produce the sort of insights and ideas we need to fulfill our potential and achieve the contentment we deserve.

Henry, Jessie, Violet, and Benny chart a course for China to return the Reddimus Society's fourth artifact! Along the way they meet old friends and make new ones, but a thief threatens to ruin their trip. Then, after an unexpected stop in Thailand, they meet a suspicious man claiming to work for the Reddimus Society. The Aldens wonder if someone close to them is working for the other side. Who can the Boxcar Children trust to help them?

Have you ever thought about upgrading your skills when it comes to thinking? Many people want to develop the way they think for business and their jobs but they don’t know how to do it. This creates a problem. As such, this book will help you understand what a mental model is as well as using it to your advantage. In life, how we view ourselves is very important and it affects how you think. In turn, how you think affects your life and how you function in your daily life. When you are able to change your thinking to have a positive outlook on the situation that you are in, you can change ...