Svarūpa Dāmodara: And in this connection we actually wanted to also study Bhaktisiddhānta Prabhupāda's...
Prabhupāda: Sūrya-siddhānta.
Svarūpa Dāmodara: Yeah.
Prabhupāda: Yes. But where is that book?
Svarūpa Dāmodara: Pradyumna told me that it's available in Bengali, Śrīla Prabhupāda?
Prabhupāda: If it is available, get it. (indistinct) He was one of the authorities about sun movements.
Svarūpa Dāmodara: I heard that it will be very...
Prabhupāda: (indistinct) He got this Sūrya-siddhānta, Siddhānta Sarasvatī. He was very expert astrologer.
Svarūpa Dāmodara: So we were thinking that there must be some more information there.