What is the sacred literature of Buddhism?
If you mean sacred texts then they are:
-Lotus of the Good Law
-Tibetan Book of the Dead
The three "baskets" (Tipitaka) are: The Vinaya Pitaka (discipline
basket) the Sutta Pitaka (teaching basket) Abidhamma Pitaka
(metaphysical basket) Also important to remember that there are two
sects of Buddhism: Mahayana and Vajrayana
Yes, the main one is the Tipitaka.