Providing adequate relief to bone fractures, joint dislocations and damages to inner organs due to accidents and also an effective treatment for several ailments -- Thanuology (Varmam) is an independent medical science existing mainly in the Tamil Nadu state in Southern India, since times immemorial. It has been proved that timely application of retrieval techniques by Thanuologists can save accidental victims from death. Present monograph compiles the traditional wisdom related to Thanuology, covering the treatment of 12 vital life centres and 96 medium life centres -- retrieval methods and techniques, time target to retrieve a person, treatment by herbal and other medical preparations, and the signs and symptoms of impacts and ailments.