Jack Sigler

Jack Sigler is the central character in a series of action-thriller novels by American author Jeremy Robinson . Jack Sigler goes by the callsign “King.” His team is called the “Chess Team,” and consists of Queen, Knight, Rook, Bishop and the handler Deep Blue. The group was formed by order of the President of the United States and are the best of the Special Forces. Their duty is to face any terrorist threat, whether it by ancient, modern or even inhuman. They have at their disposal keep intellects, top-of-the-chain weapons and brilliant tactics. The series is also known as the “Chess Team Adventure” series.