Mindfulness in Plain English

Bhante Henepola Gunaratana gives a step-by-step introduction to meditation and mindfulness grounded in Buddhist principles and the vipassana tradition. He separates the myths of meditation from its realities, explains what the practice does and how to make it work, and addresses difficulties that can come up along the way.

Vinod Khosla put it on his 2017 book recommendations as an easy way into meditation.