Over the years BPS has published several works by the greatest Burmese scholar-monk of recent times, Ledi Sayadaw. The Wheel series includes Ledi Sayadaw's "Manual of Insight (Vipassana Dipani), The Requisites of Enlightenment (Bodhipakkhiya Dipani), The Noble Eightfold Path and Its Factors (Magganga Dipani), The Buddhist Philosophy of Relations (Patthanuddesa Dipani)" and the "Manual of Mindfulness of Breathing (Anapana Dipani)". "The Manual of the Supreme Man (Uttamapurisa Dipani)" and, most recently, the "Manual of Light and the Path of Higher Knowledge (Alin Kyan and Vijjamagga Dipani)" were published in book form.