Enjoy the comic capers of Dirty Bertie - the boy with nosepickingly disgusting habits - in this bumper book of nine revolting stories from Worms!, Fleas! and Pants! Join Bertie as he goes to Angela Nicely's pink party dressed as a worm, dares Know-all Nick to come to school in his pants, and takes a flea-infested Whiffer to the vet!