# John Mason — The Casebook of Sherlock Holmes character guide

> John Mason in The Casebook of Sherlock Holmes by Arthur Conan Doyle.

**Role:** minor

**Also known as:** Mr. John Mason, Mr. Mason, Mason

**First appearance:** 0012-the-adventure-of-shoscombe-old-place

## Who they are

A trainer at Shoscombe Old Place involved in the mystery.

## Links

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- Book: https://www.betterreads.online/discover/the_casebook_of_sherlock_holmes_se
- All characters: https://www.betterreads.online/discover/the_casebook_of_sherlock_holmes_se/characters