The Big Boy Next Door
Horrid Mr. Tupping!
Luke is a Good Friend
Miss Trimble Makes Trouble
Tupping, Buster, And Mr. Goon
Dark Queen Disappears
Luke gets into Trouble
All About Clues
Mr. Goon on the Job
Pip and Bets Pay a Call
A Visit to the Circus
Luke Again
Luke Finds Some Good Friends
Mr. Goon is Very Suspicious
Mr. Goon has a Bad Time
A Great Surprise
Luke has a Better Time
The Second Disappearance
Buster really has got Brains
A Hunt for a Smell!
Solving the Mystery
The End of it All
