Cross, Gillian.  <br/><br/>
The Demon Headmaster takes over / 
Gillian Cross. 
 - 170 pages ;   20 cm. 
 - Demon Headmaster, 5.  .
<br/><br/> Originally published: 1997. 
<br/><br/> Who is the new controller at the Artificial Intelligence Unit? There is something horribly familiar about him. The Unit has a computer with superhuman intelligence that's powerful enough to control the world. In the wrong hands it could spell disaster. But Dinah and her friends know the Demon Headmaster is gone forever. Isn't he? 
<br/><br/>  
<br/><br/><br/>Text in English 
<br/><br/><label>ISBN: </label>9780192763709 (pbk) 
<br/><br/><label>Subjects--Personal Names: </label><br/>Demon Headmaster, -- (Fictitious character) -- Juvenile fiction. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Friendship -- Juvenile fiction. <br/>Secrecy -- Juvenile fiction.  <br/>Artificial intelligence -- Juvenile fiction.
<br/><br/><label>Dewey Class. No.: </label>C884