Bertie can be a bit smelly. When he trumps, it makes his mum cross, embarrasses his dad, upsets his gran and offends his sister. But they all have a secret - and Bertie knows what it is.

About the Author

David Roberts was born in Liverpool. He studied fashion and worked in the industry for several years before going on to illustrate children's books. He has also published Dirty Bertie with Little Tiger Press.