A hypnotic computer game leads Dinah, Lloyd and Harvey to their old enemy, the Demon Headmaster . . .
"[Of The Demon Headmaster and the Prime Minister's Brain:] 'Highly recommended" - Woman & Home
"an exciting story" - Junior Bookshelf
"[Of The Demon Headmaster:] 'a rattling good yarn" - TLS
"a light-hearted, funny and ingenious story" - School Librarian
"an excellent mystery with an unusual setting" - Good Book Guide - Children's
"I would recommend it to anyone who likes weird but funny books" - Teen Titles
"an attractive, easy-flowing style with interesting characters and a lively story" - Junior Education
The Demon Headmaster Website