Knight Sir Louis and the Cauldron of Chaos by The Brothers McLeod

Help! The Cauldron of Chaos is greedily chomping up all the riches it can find in Squirrel Helm. Poor Knight Sir Louis has had to find a new sword after Dave had a run-in with some evil diamonds. So when ambitious witch Cilla Da Spell joins forces with the wicked cauldron, Louis, Inspector Catalogue and Pearlin must come up with their most ingenious plan yet!
Binding: Paperback / softback