Adrian, Mary <br/><br/>
The tugboat mystery 
by Mary Adrian [pseud.] Illustrated by William Moyers. 
 - Boston  Houghton Mifflin  1952. 
 - 123 p.  illus.  22 cm. 
<br/><br/><label>LCCN: </label>52007200  
<br/><br/><label>LC Class. No.: </label>PZ7.V56  / Tu