A symbol for what is not there, an emptiness that increases any number it's added to, an inexhaustible and indispensable paradox. As we enter the year 2000, zero is once again making its presence felt. Nothing itself, it makes possible a myriad of calculations. Indeed, without zero mathematics as we know it would not exist. And without mathematics our understanding of the universe would be vastly impoverished. But where did this nothing, this hollow circle, come from? Who created it? And w...

A witty, conversational, and accessible tour of math's profoundest mysteries.Mathematical symbols, for mathematicians, store worlds of meaning, leap continents and centuries. But we need not master symbols to grasp the magnificent abstractions they represent, and to which all art aspires. Through language, anyone can come to delight in the works of mathematical art, which are among our kind's greatest glories.Taking the concept of infinity, in its countless...

A squared plus b squared equals c squared. Itsounds simple, doesn't it? Yet this familiar expression is a gatewayinto the riotous garden of mathematics, and sends us on a journey ofexploration in the company of two inspired guides, acclaimed authorsRobert and Ellen Kaplan. With wit, verve, and clarity, they trace thelife of the Pythagorean theorem, from ancient Babylon to the present,visiting along the way Leonardo da Vin...

“In this sparkling narrative, mathematics is indeed set free.” -Michael Shermer, author of The Believing BrainIn classrooms around the world, Robert and Ellen Kaplan's pioneering Math Circle program, begun at Harvard, has introduced students ages six to sixty to the pleasures of mathematics, exploring topics that range from Roman numerals to quantum mechanics.In Out of the Labyrinth, the Kaplans reveal the secrets of their highly successful approac...

This text provides a comprehensive and evidence-based introduction to psychiatric mental health assessment and diagnosis in advanced nursing practice.Taking a clinical, case-based approach, this textbook is designed to support graduate nursing students who are studying psychiatric mental health nursing as they develop their reasoning and decision-making skills. It presents:Therapeutic communication and psychiatric interviewing techniques, alongside basic psy...

**An urgent exploration of a world in constant crisis, where every regional disaster threatens to become a global conflict, with lessons from history that can stop the spiral—from the New York Times bestselling author of The Revenge of Geography“Compelling and helpful . . . Kaplan’s analysis has enormous implications for U.S. strategy abroad. . . . His conclusion is the only right one.”—John Bolton, The Wall Street Journal**One of Fina...

NEW YORK TIMES BESTSELLER • In this “ambitious and challenging” (The New York Review of Books) work, the bestselling author of Monsoon and Balkan Ghosts offers a revelatory prism through which to view global upheavals and to understand what lies ahead for continents and countries around the world.In The Revenge of Geography, Robert D. Kaplan builds on the insights, discoveries, and theories of great geographers and geopo...

A new edition of the classic travelogue exploring the Balkan Peninsula's political, social, religious, and economic past.From the assassination that triggered World War I to the ethnic warfare in Serbia, Bosnia, and Croatia, the Balkans have been the crucible of the twentieth century, the place where terrorism and genocide first became tools of policy. Chosen as one of the Best Books of the Year by the New York Times, and greeted with critical acclaim as "...

**NAMED ONE OF THE BEST BOOKS OF THE YEAR BY FINANCIAL TIMESFrom Robert D. Kaplan, named one of the world’s Top 100 Global Thinkers by Foreign Policy magazine, comes a penetrating look at the volatile region that will dominate the future of geopolitical conflict.**Over the last decade, the center of world power has been quietly shifting from Europe to Asia. With oil reserves of several billion barrels, an estimated nine hundred trillion cubic feet of natur...

**“[An] elegantly layered exploration of Europe’s past and future . . . a multifaceted masterpiece.”—The Wall Street Journal“A lovely, personal journey around the Adriatic, in which Robert Kaplan revisits places and peoples he first encountered decades ago.”—Peter Frankopan, author of The Silk Roads**ONE OF THE BEST BOOKS OF THE YEAR: The New YorkerIn this insightful travelogue, Robert D. Kaplan, geopolitical expert and be...

Robert D. Kaplan is one of our leading international journalists, someone who can explain the most complicated and volatile regions and show why they’re relevant to our world. In Surrender or Starve, Kaplan illuminates the fault lines in the Horn of Africa, which is emerging as a crucial region for America’s ongoing war on terrorism.Reporting from Sudan, Ethiopia, Somalia, and Eritrea, Kaplan examines the factors behind the famine that ravaged the region in the 198...

**“[An] elegantly layered exploration of Europe’s past and future . . . a multifaceted masterpiece.”—The Wall Street Journal“A lovely, personal journey around the Adriatic, in which Robert Kaplan revisits places and peoples he first encountered decades ago.”—Peter Frankopan, author of The Silk Roads**ONE OF THE BEST BOOKS OF THE YEAR: The New YorkerIn this insightful travelogue, Robert D. Kaplan, geopolitical expert and be...