How Watson Learnt the Trick

How Watson Learnt the Trick is a Sherlock Holmes parody written by Arthur Conan Doyle in 1924. It concerns Doctor Watson attempting to demonstrate to Holmes how he has learned the latter's "superficial trick" of logical deduction by giving a summary of Holmes' current state of mind and plans for the day ahead, only for Holmes to then reveal that every single one of Watson's deductions is incorrect...