Answer
The teachings of Prabhupada, the founder-acharya of the International Society for Krishna Consciousness (ISKCON), are primarily transmitted through his extensive corpus of books. These works, which include commentaries on sacred texts like the Bhagavad Gita and Srimad Bhagavatam, as well as his own philosophical treatises, offer profound insights into the practices, beliefs, and spiritual realizations of the Vaishnava tradition.