"Mystery of the Ambush in India" by Andy Adams is a mystery adventure novel written in the early 1960s. The story centers around a group of young boys led by Biff Brewster, who, along with his friends Kamuka and Li, arrive in India to reunite with Biff’s father. They find themselves embroiled in a series of mysterious events that revolve around a hidden danger, a tape message from Biff's father, and the intrigue of India itself. The opening of the book introduces Biff as he navigates the bustling Calcutta waterfront with his companions after arriving on a freighter. Their anticipation of adventure takes a dramatic turn when they receive a surprise recorded message from Biff's father instructing them to meet a trusted associate in the New India Bazaar. As they explore the city, the boys become further enmeshed in local mystique, engaging in lively banter about cultural landmarks, unaware of potential lurking dangers. Their journey is set against a backdrop of vibrant Indian life, heightened by the sense of mystery involving Biff's father and the enigmatic voice that communicates crucial instructions. (This is an automatically generated summary.)