Ashley, Michael. <br/><br/>
The Time Machines :  The Story of the Science-Fiction Pulp Magazines from the beginning to 1950 / 
Mike Ashley. 
 - Liverpool :  Liverpool University Press,  2000- 
 - 300 P. v. <1 > ;  24 cm. 
 - Liverpool science fiction texts and studies .
<br/><br/> Revised, updated, and expanded edition of Ashley's earlier work, History of the science fiction magazine. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>v. 1. The history of the science-fiction magazine -- v. 2. Transformations -- v. 3. Gateways to forever. 
<br/><br/><label>ISBN: </label>0853238553 (v. 1) 0853238650 (v. 1 : pbk.) 
<br/><br/><label>LCCN: </label>2001391450 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science fiction, American--History and criticism.<br/>Science fiction, English--History and criticism.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Science fiction--Publishing --History --United States--20th century.<br/>Science fiction--Publishing --History --Great Britain--20th century.<br/>Science fiction--History. --Periodicals
<br/><br/><label>LC Class. No.: </label>PS374.S35  / A78 2000