Tibetan Buddhism: Books

An Explanation of the Precepts for Buddhist Vajrayana Practice
Tsongkhapa, Gareth Sparham
Rite of Initiation
His Holiness the Dalai Lama, Jeffrey Hopkins
Teachings on Guhyasamāja Tantra
Tsongkhapa, Gavin Kilty
His Holiness the Dalai Lama, Khöntön Peljor Lhündrub, José I. Cabezón
An Exposition of the Kālacakra Tantra
Khedrup Norsang Gyatso, Gavin Kilty