Srimadh Azhagiyasinger releases a book on Gaya Sraaddha at Sri Ahobila Mutt, Chennai.
You can have further details by following the below cited link:
Sarma Sastrigal
A performing Vadhyar and an Author
You can have further details by following the below cited link:
Sarma Sastrigal
A performing Vadhyar and an Author