Which Witch?

Rubbing to edges and corners bumped.  Spine and covers creased.  Remains of sticker on back cover.

'Find me a witch!' cried Arriman the Awful, feared Wizard of the North.

Arriman has decided to marry.  His wife must be a witch of the darkest powers - but which witch will she be?  To find the most fiendish, he holds a spell-casting competition.

Glamorous Madame Olympia performs the terrifying Symphony of Death and conjures up a thousand plague-bearing rates.  The magic of gentle Belladonna, the white witch, goes hopelessly wrong.  She produces perfumed flowers instead of snakes.  And bats roost in her golden hair instead of becoming blood-sucking vampires.

Poor Belladonna longs to be an evil enchantress - but how?