Tag.
Also - there is a map, but you have to pay attention to the brooms to find it. (Or I could just tell you, it's up to you.)
Edit: Eh, you do tend to appreciate tips, so I'll put the relevant dialogue in spoiler tags.
Front-words, back-wards, any way you see! Such a strange spell to swish-swish-aree! Tceles Nottub B. Swish-swish-aroo!