Help! I've Swallowed a Spider is a collection of nine incredibly stupid stories from Andy Griffiths and illustrated by Terry Denton - the creators of the smash hit The 13-Storey Treehouse.

Is this the right book for you? Take this test to find out!Do you push doors marked PULL and pull doors marked PUSH?

Do you automatically turn round when someone shouts 'hey stupid!'?

Do you think that being able to stuff your mouth full of marshmallows is a sign of superior intelligence?

Score one point for each 'yes' answer:

3: You are extremely stupid. You will love this book.

1-2: You are fairly stupid. You will love this book.

0: You think you're really smart but deep down you're as stupid as the rest of us. You will love this book.

This book is part of a book series called Help .

There are 160 pages in this book. This is a short story book. This book was published 2011 by Pan Macmillan .

Jill Griffiths is a very talented editor, and also Andy's wife. She is a key member of the Treehouse team and helps to brainstorm the fantastical adventures. She lives in Melbourne, Australia. Terry Denton has written and illustrated many children's books, several of them with Andy, including the award-winning The 13-Storey Treehouse . He lives with his wife and three children.