The Mystery of Tunnel 51: Book 1 in Wallace of the Secret Service Series Audiobook (Free)

Chief of the Cleverness Department Sir Leonard Wallace – bearing always the hall tag of coolness and wit – is up to his earlobes in big trouble. Summoned from the Viceroy of India, he makes a rapid flight to India to investigate the mysterious death of British official Major Elliot and the fraud of some extremely important dispatches.