Witches on the whole are a pretty rotten lot, but Wonderwitch does have more endearing qualities than most. I do envy her natty line in technicolour leotards. Wonderwitch, complete with broomstick and pointed black hat, decides she's sick of cats and could do worse than rid the rooftops by selling the lot, at a considerable profit, to her cronies. The venture fails when the cats object to this upset in their routine and, working as a team, connive and scheme to bring about some splendid changes to their lives.
Links:
[1] http://w.booksforkeeps.co.uk/childrens-books/wonderwitch-and-the-rooftop-cats
[2] http://w.booksforkeeps.co.uk/issue/71
[3] http://w.booksforkeeps.co.uk/member/pam-harwood