Bethancourt, T. Ernesto. <br/><br/>
Doris Fein--phantom of the casino / 
T. Ernesto Bethancourt. 
 - New York :  Holiday House,  1981. 
 - 160 p. ;   22 cm 
<br/><br/><label>ISBN: </label>0823403912 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery and detective stories.