Campbell, Doug <br/><br/>
Professor Grammar's Rule Book: 50 Essential English Grammar Rules As Broadcast On BBC World Service 

 - London  Bbc English  1991 
 - 64 p.: ill.; 25 cm 
<br/><br/> this book is based on the popular english by radio series ""professor grammar"" 
<br/><br/><label>ISBN: </label>1854972413 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers