Adrian Mole the musical opens in the West End on Saturday.

Author Sue Townsend’s novel of the puzzled and perplexed pupil aged 13¾ has sold more than 20 million copies since it was first published in 1982.

After seven years development in regional theatre it opens for a three-month run at the Ambassadors Theatre in London on 15 June.

We’ve been to meet one of the four child actors playing the lead role.