Howard, David. <br/><br/>
The tools of screenwriting :  a writer's guide to the craft and elements of a screenplay / 
David Howard and Edward Mabley. 
 - New York, N.Y. :  St. Martin's Griffin,  1993. 
 - xxii, 298p. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0312119089  £10.99 
<br/><br/><label>Nat. Bib. No.: </label>GB96Y3112  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motion picture authorship.
<br/><br/><label>Dewey Class. No.: </label>808.23