David Roberts is one of the UK's foremost children's illustrators, known for works such as DIRTY BERTIE, THE BOLDS and SUFFRAGETTE: THE BATTLE FOR EQUALITY. He was the winner of the Nestle Children's Book Prize in 2006 and was shortlisted for the CILIP Kate Greenaway Medal four times. He lives in London.

Alan MacDonald dreamed of becoming a professional footballer, but when he won a pen in a writing competition his fate was sealed. Alan has written over eighty children's books, which have been translated into many languages and won several awards. Alan also writes for TV.

Texte du rabat
The 31st instalment of the successful series about a boy with terrible habits. Bertie accidentally unleashes a massive spider at school, tries to smuggle Whiffler into a posh hotel, and loses a jumper his Gran knitted him. Illustrations from David Roberts.

Résumé
Dirty Bertie, the boy with nose-pickingly disgusting habits, is back for another dose of comic chaos! Join Bertie in his 31st adventure as he shocks and amazes his classmates with his huge pet spider, is tricked into wearing one of Gran's knitted horrors to school, and finds nothing but trouble when he digs for treasure in the park.