Four books–“A study of the hindu science of architecture and its practice with special reference to Rajavallabha”, by Dr.N.R.Dave, “Srividyasara-Prasnottara-Malika” by Dr.Goda Venkateswara Sastri, “Sree Krishnam Bhaja Maanasa”, by Parvathi Sankaran and Sankaran and “Guru of gurus”, by Indira Ramanathan will be released on May 30 at 6.30 p.m. The chief guest is N.Ravi, editor-in-chief, The Hindu. S.Jagadeesan, former judge, Madras High Court will receive the first copy of the books. A talk on “Ambal Vaibhavam” will be given by Dr.Goda Venkateswara Sastri at 7.30 p.m. At East Mada Street, Mylapore. Ph: 24643420, 24643450.