Deep in the woods, where no-one dares tread, lives a grim, grisly Groll, who fills children with dread! And he fills them with dread because he likes to eat them - in pies, on toast and in stews! But when there are no children left to eat, the Groll has to come up with a plan. Will his plan succeed or will he get taught a lesson by the pupils and pets of The Grubby Bugs Forest School? Read on, if you dare.