What are the nine books related to ?

The books relate to different disciplines of knowledge ranging from warfare, biology  and also about the Vimana Shastra which has a capability of fly aganist gravitation. These books were hidden and constantly updated by the Nine Unknown 1) Propaganda and  Psycholigical Warfare : This books deals with the tactics of moulding a mass opinion,basically for psychological warfare. This is most  dangerous book capable of allowing to govern the world. 2) Physiology : This book is called as  "touch of death" which has the secrets of killing anyone by a simple touch. It teaches a concept to reverse the Human Pulse and kill them in the process. It is rumoured that martial art " Judo" has been leaked from this book 3) Microbiology and Biotechnology :  This book has a extensive knowledge of Microbiology and Biotechnology. It is said there were some special microbes released in to the Ganges river making tha river pure. 4) Alchemy :  This books comprises  extensive knowledge rearding transmuation of metals. Have you seen Ashoka Iron Pillar highly popular for rust resustant. So you could understand our ancient technology 5) Communication with Aliens :  It indicated ways to communicate with extra terrestrials and other advanced ways of communication including telephaty. 6) Vaminaka Shastra :  You may have heard of Ancient Vimana's in Hindu texts, probably it has secrets of Gravitation and instrustion to make a Vimana. 7) Cosmology : It holds the secrets of Space travel which enables the humans to travel at hih speeds in the space to reach other palnets 8) Light :  This has the knowledge of controlling the speed of light and using it as weapon 9) Sociology :  It  explains laws of human society and predicts their downfall according to their actions.   This may lack scientific proofs but it is up to you to beleive it or not.