What is "natyakalpadrumam"

Nātyakalpadrumam (നാട്യകല്‍‌പദ്രുമം in Malayalam, नाट्यकल्पद्रुमम् in Devanagari) is a book written by (late) Nātyāchārya Vidūshakaratnam Padma Shri Guru Māni Mādhava Chākyār (who was the ultimate exponent of Koodiyattam and Abhinaya) about all aspects of ancient Sanskrit drama theatre tradition of Kerala- Kutiyattam. It was first published in Malayalam (1975) by Kerala Kalamandalam, with financial assistance of Sangeet Natak Academi, New Delhi. This monumental work serves as the reference to scholars and students. The entire book is written in the old Sanskrit text style closely following Nātyaśāstra. Both structure and content of the book illustrates the excellence of the author in both Sanskrit and Nātyaśāstra. It has received the prestigious Kerala Sahitya Academy Award for the year 1975. The book has been translated and published in Hindi by Sangeet Natak Akademi, New Delhi.