By Plume and Sword or By Pen and by Sword (Russian: Пером и шпагой) is a novel by the Soviet writer Valentin Pikul, written in 1963 and first published in 1972.[1] It describes secret diplomacy during the Seven Years' War and the reign of Elizabeth of Russia. Its central character is the Chevalier d'Eon.
In 2008, a miniseries based on the novel was broadcast on Russian television in twelve 45-minute episodes.[2] [3]