JAN OF THE JUNGLE & Its Sequel, Jan in India

Jan of the Jungle is a young boy, raised in isolation of lab by a weird scientist, with a chimpanzee as his only company. When he manages to escape, Jan finds himself in the surrounding forests and swamps of the Everglades, with his ape friend as a mentor in the wildlife. After tasting a freedom for the first time, Jan and his ape friend go through number of adventures, but as the time passes, Jan is getting anxious to learn about his origins and find his parents.
Jan in India – As we continue to follow adventures of Jan of the Jungle, we find him engaged to his fiancée Ramona and reunited with his parents. Together with some friends, they start a cruise on the Indian Ocean. However, the happy days don't last long for Jan as he gets thrown in the shark infested waters and Ramona gets abducted.
Otis Adelbert Kline was an adventure and science-fiction novelist, best known for his interplanetary adventure novels set on Venus and Mars, which instantly became science-fiction classics.