Arthur, Robert,  1899- <br/><br/>
Alfred Hitchcock and the Three Investigators in The Mystery of the vanishing treasure / 
text by Robert Arthur. 
 - London :  Collins,  1988. 
 - 160 p. ;  18 cm. 
 - Three investigators mystery series ;  5. .
 - Three investigators mystery series ;  5. .
<br/><br/><label>ISBN: </label>0006925227 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's stories, English.<br/>English fiction--Juvenile fiction.<br/>Mystery fiction.