Thoroughly revised and updated with the latest research developments, CHEMISTRY IN FOCUS: A MOLECULAR VIEW OF OUR WORLD, 4e develops students'... appreciation for the molecular world and stresses the fundamental role it plays in their daily lives. The text helps students understand the major scientific, technological, and environmental issues affecting society by clearly identifying and explaining connections between the molecular world and microscopic world--as well as between principles and applications. Renowned for his student-friendly approach, Dr. Tro helps readers understand the importance and relevance of chemistry to their world. The text's comprehensive coverage includes unique chapters on Nanotech, Light/Color, and more. Innovative study aids maximize learning.

Take command of any building and carpentry project with the robust, construction-specific math skills you will get from the 9th Edition of PRACTICAL... PROBLEMS IN MATHEMATICS FOR CARPENTERS. Divided into short units, this combination book/workbook explains the math principles essential to carpentry and building construction in straightforward, concise language, and then reinforces each concept with samples of problems common in the trade. Step-by-step solutions to the problems, as well as detailed illustrations, help you easily understand the math, visualize its application in everyday carpentry work, and perform functions yourself.

Succeed in the course and connect with the microscopic world with CHEMISTRY IN FOCUS, 5e. Thoroughly updated with the latest research and developments,... this student-friendly book emphasizes the fundamental role the molecular world plays in your daily life. By clearly identifying and explaining connections between the molecular world and microscopic world, the book helps you understand the major scientific, technological, and environmental issues affecting our society today. The book's innovative study aids and technological tools will help you every step of the way as you master the concepts of the course.