Explores the environment of the North and South Poles, including geography, climate, and animal life, and discusses exploration and scientific research.

An introduction to the study and mythology of the constellations, with numerous sky-views complementing the text

This is a clear, vivid text with charts and maps showing the positions of the constellations the year round.

This is a clear, vivid text with charts and maps showing the positions of the constellations the year round.

Product Description: Full of hands-on activities to help you learn all about map skills whilst also learning about the features of a city. This book will show you what a bird's eye map is by looking at aerial photos; how landmarkscan be shown as symbols; how to measure scale and distance on a walk around a city; what map plans are; how compass points show you how to find directions; how to follow pathways and roads; how to use grid references; looking at landuse ; and looking at transport maps...read more

This book provides a sound basis for analysing water supply schemes from the point of view of water quality. A systematic approach to decision making in water resources planning is presented with particular reference to wastewater re-use. Methods for deciding between recycling, purification or use of river water are given. The problems of poor quality water are documented and alternatives suggested, including management in a way to achieve objectives in the most economic manner. Various methods of system simulation and optimization are applied in a number of case studies. Methods of analysis and numerical methods are described, as well as the basis of pollution and water quality. The economics of desalination are also discussed. The examples studied range from regional supplies to internal re-circulation. Groundwater and artificial recharge are considered, and stormwater quality and sewerage systems are also covered. Computer applications exist throughout and a number of simulation and optimization programs in BASIC are presented.

Product Description: Many people know the sabertooth cat, not many know the entelodont and this book seeks to change that. After the astroid went BOOM [struck the planet] and all life on earth bigger than a breadbox was wiped out, the mammals took center stage in evolution's ever unfolding drama...read more

Product Description: When you walk around in a forest you see trees everywhere. Trees, trees and even more trees. But do all trees in a forest look exactly the same? And are there any other plants in a forest? Which animals live in the trees of the forest? And on the ground? Do all forests in the world look alike? In this wonderful, big forest book you’ll discover all about conifers, deciduous trees, tropical forests and so much more!An informative book filled to the brim with fun facts about the forest and natur...read more

Product Description: From tiny atoms to vast galaxies, physical scientists study some of the smallest and largest objects in the universe. Women in Physical Science looks at individuals who are making a major difference in this field. Compelling text, full-color photos, and helpful back matter highlight these women and their work...read more

Product Description: Slide down through the layers of planet Earth, from mountaintops to molten core. Follow the Stickmen to trek down a glacier, descend into a canyon, and burrow down to the base of a volcano. On the way you'll see bears and snow leopards, geysers and giant machines, and tectonic plates grinding into each other...read more

Product Description: Find out how clouds and fog are formed and how they are alike anddifferent.Additional features to aid comprehension include colorful images, informational diagrams, hands-on activities, detailed captions and callouts, a table of contents, a phonetic glossary, sources forfurther research, and an introduction to the author...read more