The Scarlet Pimpernel By Baroness Orczy

(Used, paperback)
Armed with only his wits and his cunning, one man recklessly defies the French revolutionaries and rescues scores of innocent men, women, and children from the deadly guillotine. His friends and foes know him only as the Scarlet Pimpernel. But the ruthless French agent Chauvelin is sworn to discover his identity and to hunt him down.