Bøker av Louise A Spilsbury

The intricate relationship between living creatures and their habitats is simplified in this clear and detailed guide to the variety of environments that plants and animals inhabit. Tundra, forests, and the ocean are just a few of the many types of biomes discussed in this volume, each with a discussion of the adaptations species living there have undergone to best fit their surroundings. Key terms are defined in textboxes as well as sidebars with critical questions for the reader and compare-and-contrast activities on the various biomes covered.

"More than 38 million people around the world live with HIV/ AIDS. For decades, scientists have been studying AIDS and the HIV virus that causes it. This fascinating book describes its emergence as a new disease and the reasons why it took as long as it did to find a treatment. Find out how, thanks to new treatments and technologies, this disease that was once almost unstoppable can now be effectively treated and, in some cases, cured"--