Who likes stomach acid and sludge farming and wants to find a friend? Wilton the worm.

Who likes running away and hiding and wants to save the world? Algy the microbe.

What's huge and scary and the first thing they see outside? Underpants.

Wilton has a bad feeling in his tummy. The one he lives in. Can one worm discover new worlds and save his friends from destruction? Wilton is about to find out.

Discover the magical world of the intestine and embark on an epic journey with Wilton and Algy as they learn the power of friendship, bravery, and self-discovery on their quest to save their world and each other.

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PRAISE FOR MORRIS GLEITZMAN

‘Readers can't get enough of him.’ The Independent

‘A brilliantly funny writer’ Sunday Telegraph

‘A virtuoso demonstration of how you can make comedy out of the most unlikely subject’ Sunday Times

‘He is one of the finest examples of a writer who can make humour stem from the things that really matter in life.’ The Guardian