FRIENDLY FIRE: A Military Thriller (crime fiction books)

Tom Noad and Tom Marsh, two mounted gunners serving with Prince Albert's Troop of the Royal Horse Artillery, are invited to act as adult instructors at a cadet camp on the Isle of Wight.

Accepting the offer, they throw themselves into their new duties with enthusiasm and good humour - until one of their colleagues is found murdered, and Tom Noad suddenly finds himself under investigation.

Fortunately for Noad, his uncle is renowned detective George Ashley, who immediately interrupts an investigation on the mainland in order to come to his nephew's assistance. Once on the island, Ashley is amazed to discover that the two cases may in fact be closely related...