1863 and All That

The story
Ed G. Ware has a conversation with Matthew about a chemical spillage in Kent. They agree to bring Don in to fix things.

This acts as a prequel to Hidden Underground.

The puzzle and solution
The story contains all 7 stations of the original Metropolitan Railway: Paddington, Edgware Road, Baker Street, Portland Road, Gower Street, King's Cross and Farringdon Street.

The puzzle

Puzzle rules

The solution

List of characters
Ed G. Ware, Matthew. Unseen characters include Ted Dington, DS Worth Roaden, DI Warren Street and Don.