TY - BOOK ED - World Book, Inc. TI - Mountains, deserts, and grasslands T2 - Living green SN - 9780716614036 AV - GB512 M68 2009 U1 - 333.95/16 22 PY - 2009/// CY - Chicago PB - World Book KW - Mountains KW - Juvenile literature KW - Deserts KW - Grasslands N1 - Includes index N2 - "General overview of mountain, desert, and grassland ecosystems, including an exploration of disturbances these ecosystems face due to human interference and climate change; and current conservation and reclamation efforts. Features include fact boxes, sidebars, activities, glossary, list of recommended reading and Web sites, and index"--Provided by publisher ER -