Trick Or Treat, Smell My Feet : Gilbert is as thrilled as can be with the Martian Space Pilot costume he's made. Gilbert's not so thrilled when it's time to change for the school Halloween parade and he walks into a boys' room filled with Martian Space Pilots. And he's absolutely flabbergasted when he opens up his costume bag and finds he's taken his little sister's ballerina outfit by mistake! NOTE: This is a Scratch and Dent book and may have noticeable dents, scratches and various other cosmetic issues as well as torn or missing dust jacket. These items are only guaranteed to be structurally complete and readable and therefore are sold as is.