Berenstain, Stan and Jan <br/><br/>
Bears On Wheels / 
Stan and Jan Berenstain. 
 - New York :  Random House,  1969. 
 - unp. 
<br/><br/> An acrobatic act begins with one bear on a unicycle and ends with twenty-one bears and sixteen wheels flying through the air. 
<br/><br/><label>ISBN: </label>0-394-90967-4