Thomas, Rob            <br/><br/>
Green Thumb 
Rob Thomas. Illustrated by Lou Brooks 
 - 1st ed. 
 - New York   Simon & Schuster Books for Young Readers,  c1999. 
 - 186 p.   21 cm. 
<br/><br/> While spending the summer in the Amazon rain forest of Brazil doing botanical research, thirteen-year-old Grady discovers a secret language used by the trees to communicate with each other and falls afoul of the dictatorial Dr. Carter, whose motives seem questionable. 
<br/><br/><label>ISBN: </label>0689817800 
<br/><br/><label>LCCN: </label>98039992 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rain forests--Fiction.<br/>Environmental protection--Fiction.<br/>Indians of South America--Fiction.--Brazil
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Amazon River Valley--Fiction.<br/>Brazil--Fiction.
<br/><br/><label>LC Class. No.: </label>PZ7.T36935  / Gr 1999 
<br/><br/><label>Dewey Class. No.: </label>jTho   17