It's been known for years that usability testing can dramatically improve products. But with a typical price tag of $5,000 to $10,000 for a usability consultant to conduct each round of tests, it rarely happens. In this how-to companion to Don't Make Me Think: A Common Sense Approach to Web Usability, Steve Krug spells out an approach to usability testing that anyone can easily...(展开全部)

This highly respected book is a simple, readable guide to the accurate identification and interpretation of abnormal electrocardiogram (ECG) patterns for medical students, nurses and junior doctors. The emphasis throughout is on the straightforward practical application of the ECG. It will prove useful to all medical and health care staff who require clear, basic knowledge ab...(展开全部)

This highly respected and famous book is a simple, readable guide to the accurate identification and interpretation of abnormal electrocardiogram (ECG) patterns, written for medical students, nurses and junior doctors. The emphasis throughout is on the straightforward practical application of the ECG. Generations of medical and health care staff have benefited from its clear-cu...(展开全部)

Rocket Age traces the history of spaceflight innovation from Robert Goddard’s early experiments with liquid fuel rockets, through World War II and the work of Wernher von Braun and his German engineers, on to the postwar improvements made by Sergei Korolev and his team in the Soviet Union, and culminating with the historic Moon walk made by Neil Armstrong and Buzz Aldrin on Jul...(展开全部)

Perspective is easy; yet surprisingly few artists know the simple rules that make it so. Now they can remedy that situation with this step-by-step book, the first devoted entirely to clarifying the laws of perspective. Using over 250 simple line drawings, the author leads the reader through every i

In the decades following Quine, debates about existence have taken center stage in the metaphysics. But neo-Quinean ontology has reached a crisis point, given the endless proliferation of positions and lack of any clear idea of how to resolve debates. The most prominent challenge to mainstream ontological debates has come from the idea that disputants can be seen as using the q...(展开全部)

Calculus Made Easy is the answer to anyone who has been baffled, frustrated and simply irritated by the traditional academic approach to applying differentiation and integration problems. First published over a century ago, the methods, "tricks of the trade" and shortcuts Silvanus Thompson reveals are as applicable today in solving real-world 21st century problems. Whether you ...(展开全部)