What on earth is making that yowling, wailing, caterwauling sound? Hairy Maclary and the gang trot off to find out.

A durable board book edition of Hairy Maclary's fourth adventure, in which the gang hears a very strange howling noise.

Hairy Maclary heard a strange sound,
a yowling,
a wailing
that echoed around . . .

What could be causing the caterwauling cacophony that brings Hairy Maclary and his friends running?

With yips, yaps, wrowls and howls, this story is an absolute delight to read aloud.