Biggan Ki O Keno by Debiprasad Chattopadhyaya is a general science book. This is an interesting book written by the author where he has discussed many aspects of science and talked about materialism philosophy through allegorical stories. To say about the author, Debiprasad Chattopadhyaya was a Marxist philosopher and worked on science’s history. If you are interested in this book, read the book here online. To read the book offline, download the PDF file from here for free.