The Demon Headmaster Takes Over

All the knowledge in the world is being snatched away by the Green Hand organisation. When Dinah and SPLAT investigate, they discover the Hyperbrain, a machine with a controller who sounds horribly like the Demon Headmaster.

• Author
• Gillian Cross

• Format
• paperback

• Pages
• 160

• Series
• The Demon Headmaster

• Language
• english

• ISBN
• 978-0-14-130024-5

• EAN
• 9780141300245

• Genres
• childrens, fantasy

• Release date
• 1998