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David Walliams and Tony Ross at Waterstones Piccadilly!

To celebrate the release of their brilliant new book, The World’s Worst Teachers, David Walliams and Tony Ross were at Waterstones Piccadilly for a brilliant signing. Thank you to everyone who came.

Here are just some of the photos from the day!

The World's Worst Teachers

The World's Worst Teachers

Think your teachers are bad? Wait till you meet the line-up in The World's Worst Teachers!