Jefferis, David. <br/><br/>
Trail bikes and motocross  
David Jefferis. 
 - New York, N.Y. :  Warwick Press,  1990. 
 - 40 p. :  col. ill. ;  27 cm. 
 - Adventure sports .
<br/><br/> "First published in 1989 by Kingfisher Books"--T.p. verso. 
<br/><br/>Includes index. 
<br/><br/> Introduces the techniques, equipment, competitions, events, and champions of motocross. 
<br/><br/><label>ISBN: </label>0531190765  9.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motocross--Juvenile literature.<br/>Motocross
<br/><br/><label>LC Class. No.: </label>GV1049.3  / .J44 1990 
<br/><br/><label>Dewey Class. No.: </label>796.7/56