Complete Title: Rudra-S?. Author: N Venkata Ramanayya. Edition: Reprinted by Gyan Books in2021 with the help of original edition published long back [1941]. Binding: HALF LEATHER binding features a leather spine and corners with the remaining cover in Raxine or Marble Paper.
Author: Mahamahopadhyaya Haraprasad Shastri. Complete Title: Advayavajra Samgraha 1927 [Leather Bound]. Edition: Reprinted by Gyan Books in 2018with the help of original edition published long back [1927].
Author: JADUNATH SINHA. As these are old books each page is processed manually to make them readable. Edition: Reprinted by Gyan Books in 2017with the help of original edition published long back [1934].