I recall Ram Dass's Journey of Awakening being nice. Or if you want a truly esoteric brick, Yoga Philosophy of Patanjali. (The big yellow one) https://encrypt

I recall Ram Dass's Journey of Awakening being nice. Or if you want a truly esoteric brick, Yoga Philosophy of Patanjali. (The big yellow one) https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTPsQJuyvBSN18K_X-nrMUjePUSMSXMYUr4t2e5WfpBMcobio8Z&usqp=CAc https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTPsQJu...