This is an incredibly clear primer on preliminary practices (Ngöndrö). There are some great lines and very no BS attitude about why you need a sitting practice.
“Even a person if this degenerate age with an outer dharma form and the inner corrupted mind of a crazed wild elephant, overpowered by bad habits of the three poisons, by reading this commentary once will realize the benefits of renunciation and Bodhichitta.”