Nagarjuna in Context - Mahayana Buddhism and Early Indian Culture — by Joseph Walser
This work is the first examination of Nagarjuna's life and writings in the context of the religious and monastic debates of the second century CE.
Master of Wisdom - Writings of the Buddhist Master Nagarjuna
An excellent introduction to Madhyamika. This book contains two hymns of praise to the Buddha, two treatises on Shunyata, and two works that clarify the connection of analysis, meditation, and moral conduct. Includes Tibetan verses in transliteration and critical editions of extant Sanskrit.