Erle Gardner was an American author and lawyer who is best known for his mystery novels. He wrote over 80 books, many of which were adapted into films and television shows. He is considered one of the most influential writers in the genre of mystery fiction. His most famous works include The Case of the Velvet Claws, The Case of the Perjured Parrot, and The Case of the Sulky Girl. He was also a pioneer in the field of forensic science and helped to develop the modern system of criminal investigation.