Allaby, Michael <br/><br/>
Biomes of the World :  Tropical Grasslands. 

 - Danbury, Connecticut :  Grolier Educational,  1999. 
<br/><br/> Includes indexes. 
<br/><br/> In nine volumes, explores each of the earth's major ecological regions, defining important features, animals, and environmental issues. 
<br/><br/><label>ISBN: </label>0-7172-9341-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biotic Communities--Literature--Life zones--Literature--Ecology--Literature