Beware of the Demon Headmaster

Beware of the Demon Headmaster was a short story that was part of the Demon Headmaster Books series written by author Gillian Cross.

This book, unlike the preceding six novels doesn't feature any of the members of SPLAT, the heroes and main characters of the previous books, at all.

Plot
Sally and her twin Ben have been looking forward to their school trip to Notley Castle for ages. There are dungeons, and weapons, and a cannon to fire...But on the day, Ben is ill and has to stay in bed, so Sally promises to send him a text message every hour, to let him know what's going on. When Sally's messages start sounding very strange indeed, Ben decides to get out of his sick bed and ride to the rescue.

Related links

 * Text Messaging symbols used in the book explained.