This looks like a job for inadvisably applied magic if ever I saw one.

The Tezuman priests have a sophisticated calendar and an advanced horology," quoted Rincewind. "Ah," said Eric, "Good." "No," said Rincewind patiently. "It means time measurement." "Oh.

In the beginning there was nothing, which exploded.

Speak softly and employ a huge man with a crowbar.

…We were born vampires." "I thought you became –" "— vampires by being bitten? Dear me, no. Oh, we can turn people into vampires, it’s an easy technique, but what would be the point? When you eat… now what is it you eat? Oh yes, chocolate… you don’t want to turn it into another Agnes Nitt, do you? Less chocolate to go around." He sighed. "Oh dear, superstition, superstition everywhere we turn.

Needless to say, they refused to submit to the Empire, conducting such a persistent guerrilla war that the Romans gave up hope of conquering Scotland, and the Wee Free Men remained both wee and free.

'Educational' refers to the process, not the object. Although, come to think of it, some of my teachers could easily have been replaced by a cheeseburger.