Macmillan Books $112

Some spooky songs, like Ghost Town, are so haunting they're unforgettable. Others, like Monster Mash, are just insanely catchy. For some sinister reason, it's the latter sort that go relentlessly round and round in your head - sometimes for days.

It's into this category that Room On The Broom, the musical version of a story about a witch and a dragon, belongs.

It's been a fortnight since I first heard comedienne Josie Lawrence singing in a thick Birmingham accent, 'I am a frog as clean as can be. Is there room on the broom for me?' and I'm still humming it. So is my three-year-old son and, I imagine, thousands of other young children whose parents made the mistake of putting the tape in their car stereos at the beginning of a long journey, thinking they'd play it once, then move craftily on to grown-up music.

Our tape lasted the entire southern stretch of the British motorway network this Christmas. It soon became clear that only a multiple pile-up or a meteor shower would spare us from at least 15 encores.

There's a book with the tape, incidentally - Julia Donaldson's mesmerising and inventive award-winning poem about a friendly witch, her friends the cat, dog, frog and bird and a mean dragon who wants 'witch and chips' for tea. Exuberantly illustrated by Axel Sheffler, the book - by the same author-and-illustrator combination as The Gruffalo - is great fun and already established as a modern children's classic.

But with this book-and-tape combination, it's Lawrence's voice cackling 'the witch tapped her broom and 'whoosh' they were gone' that will live on in your memory, possibly until long after your children have grown up and left home.

Verdict: 'Again, again.'