The Monkey Thief at Ding Dong Circus

The Nilgiri langur monkey at Ding Dong Circus is missing. School detectives Joshi, Chandran, Johny, Mammu and Tomy rushed to the spot. Sanku, the caretaker of the langur was questioned by the team. Except the tyre marks of a scooter near the cage of the monkey, there was no clue. At the bus stand they saw an advertisement of the Forest department about the Nilgiri langur monkeys. Joshi and team saw one old man staring at the picture of the monkey on that board. They went after him and found that he was manufacturing Monkey malt Langur tonic. Mammu heard some strange animal voice from his neighbour Professor Rahman's house. The team gate crash there at night and investigate. Who is the thief, the tonic man or the Professor or the care taker? An adventurous detective story for children.