Postage stamps may be only a tiny canvas, but stamp art can have a lot of significance ... the monster Grendel and the mead hall, Heorot. He also had to avoid making it look too gruesome.

Marauders draw closer to Herot and release their Barghest ... Built by giants in old times. Quickest way to Heorot. We'll be exposed. There won't be any guards. Nobody's there.

Hrothgar, King of the Danes, builds a new mead hall called Heorot for his people. But on the very first night of celebrations they are attacked by a monster called Grendel. Ensure you watch the ...