Bumper blobheads (20th anniversary edition)

Are there Blobheads in your toilet? From the pair behind Muddle Earth and The Edge Chronicles, Paul Stewart and Chris Riddell, Bumper Blobheads collects four fully-illustrated, completely bonkers Blobhead adventures in one big book!Billy Barnes has found Blobheads in his bathroom.

The Blobheads – Kerek, Zerek and Derek – are weird purple aliens from the planet Blob, arriving in Billy's toilet through an alpha-gamma space-time wormhole. And they're on a very, very important mission. They're trying to find the Most High Emperor of the Universe. And they think they'll find them in Billy's bathroom . . . Celebrating twenty years of the series, Bumper Blobheads includes Invasion of the Blobs, Talking Toasters, School Stinks! and Beware of the Babysitter.