Russell Cooper Books in Order

As a Nazi biological threat approaches Britain in 1940, Florence Fairweather's team must rescue a captured virologist from Germany. A failed mission has weakened their position, but obtaining an antidote depends on returning the scientist to his laboratory.

In early 1940, a German agent parachutes into England to impersonate a man crucial to Britain's war effort. Florence Fairweather and her team pursue a deadly espionage contest across Europe while trying to identify a hidden sleeper spy.

An assassin targets British radar engineers as London faces an imminent bombing threat, while a plot involving Churchill's painting emerges in Berlin. Florence Fairweather must untangle the linked wartime dangers and locate people whose actions could determine Britain's survival.

Retired MI6 twins Cedric and Ambrose leave their quiet farming life to investigate an old friend’s unsolved murder. Assisted by his daughter and an elderly woman with her own mysteries, they follow clues that may place them in a killer’s path.

Five years after apparently unrelated murders in Venice and an English village, a letter asks the Friday Street team for help. Cedric, Ambrose, Charlie and Verity decipher clues and codes while trying to prevent the killer from claiming another victim.

The Friday Street investigators reopen a twenty-year-old case involving theft, murder and a cover-up at a girls’ boarding school. A secret notebook, coded message and puzzling witness statement challenge the accepted explanation as they race to prevent another killing.

Morgan Elliot’s widow asks the Friday Street team to prove his apparent suicide was murder. Returning to Frobisher Hall reveals deeply guarded secrets, and a second death makes finding the truth an urgent contest with someone willing to kill again.

Retired MI6 twins Cedric and Ambrose return with Charlie and Verity for another Friday Street investigation. Their quiet life of honey-making and crosswords faces renewed disruption from cold cases, coded clues and old enemies who refuse to leave them in peace.