Moon Riders by Laurence Donovan — Read

ALLISON, in the minds of Marshal Simpson and Joel Romer's stoop- shouldered bookkeeper, was all that he seemed. A Syrian peddler who had lost his truck and who had won the dislike of the storekeeper.

The Federal Agent remained sagging in the chair, though he was watching the marshal through slitted eyes. Only Marshal Simpson and the bookkeeper remained in the store.