Mindfulness in Plain English by Verenable H Gunaratana Mahathera
The Basic Method of Meditation by Ajahn Brahmavamso
The Jhanas by Ajahn Brahmavamso
Meditations by Thanissaro Bhikkhu
The Magic of the Mind - An Exposition of the Kalakarama Sutta by Bhikkhu Nanananda
Clearing the Path by Nanavira Thera
Venerable Acariya Mun Bhuridatta Thera - A Spiritual Biography by Acariya Maha Boowa Nanasampanno
Knowing and Seeing (Revised Edition) by Venerable Pa-Auk Tawya Sayadaw