Recommended Reading
The Middle Length Discourses of the Buddha: A New Translation of the Majjhima Nikaya
Translated by Venerable Bhikkhu Nyanamoli and Venerable Bhikkhu Bodhi
Wisdom Publications, Boston/London, 1995.
The Suttas are the primary resource for a practitioner to refer to. This collection contains 152 Suttas and an invaluable introduction by Bhikkhu Bodhi. A wealth of footnotes makes the text very accessible to the interested reader.