Join Bertie in Aliens! his 26th adventure, as he prepares for an alien invasion, has a go at bird watching and tries to improve his school report! Dirty Bertie is a hugely popular series created by award-winning illustrator, David Roberts (Tyrannosaurus Drip, The Wind in the Willows, The Troll, Eddie Dickens Trilogy).

With each hilarious story approximately thirty pages long and split into chapters with illustrations on nearly every spread, Dirty Bertie is ideal for confident readers to enjoy by themselves, or for sharing with your child.