A description of Mars, the fourth planet from the Sun. The text discusses Mars' distinguishing characteristics, its position in the solar system its composition and atmospheric conditions, its moons, and how scientists have learned about Mars over time. Color photos and diagrams enhance understanding of the text.

Clear up acne misconceptions and get effective treatment! Pimples. Blemishes. Zits. Spots. Whatever you call them, they aren't pretty. But these days, there are lots of treatments. In this friendly guide, a dermatologist explains how you can clear up your complexion, whether you're a teenager or an adult, complete with color photos to help you identify your skin condition. From purchasing over-the-counter products to visiting a dermatologist, find the answers you need for optimal skin care.

This no-nonsense series introduces a wide range of non-fiction subjects using a straightforward narrative approach. Young readers will find these lively texts on high interest subjects very approachable. A classic and uncluttered design uses a mix of photos and artwork to support the text, which is broken up into short chapters. Each book contains a simple contents, glossary and index. An explosive first look at Volcanoes. The book begins with an exciting description of an eruption and proceeds to explain simply and clearly the processes involved. Diagrams and dramatic photos illustrate active and dormant volcanoes such as Vesuvius, Surtsey and Krakatoa.

When aircraft of the Vietnam War was published, one of the critical reviews I received lamented the lack of coverage of Army Aviation. The reviewer correctly pointed out that the Army had far more aircraft in Vietnam then any other service, and on that basis they should receive a proportionate amount of space. That is logic that is hard to refute, and I will not try. I can only say that photos and information concerning Army Aviation have not been easy to come by, and were it not for the interest and efforts of one Army Aviator, this book would never have come to fruition.

In the Crosshairs looks at attempted and successful assassinations of high-profile celebrities, political figures, religious leaders, and many others. Each chapter includes a compelling account of an assassination (or attempted assassination), with complete details about the assassin, the victim, the circumstances of the attack and the outcome. In the Crosshairs also includes a unique "assassination timeline," a list of other notable assassination attempts throughout history, photos of many of the most infamous assassins and their victims, and rare archival materials, like...