By Hogan, Paula Z..
Milwaukee : Gareth Stevens Children's Books, 1991 .
32 p. : 27 cm..
0836804740 | 9780836804744

Place hold on Expanding deserts /

By Watson, Jane Werner,.
New York : Philomel Books, 1981 .
128 p., [8] p. of plates : , Includes index. 24 cm..
0399207856 | 9780399207853

Place hold on Deserts of the world, future threat or promise? /

By Sears, Paul B..
Norman : University of Oklahoma Press, 1980 .
viii, 264 p. : , Includes index. 22 cm..
0806116676 | 9780806116679

Place hold on Deserts on the march /