: A great source for high-quality psychological and mindfulness literature.

by John Yates: A comprehensive guide combining Buddhist wisdom with modern brain science.

Руководство по медитации. 21 день работы над сознанием

: Offers a vast library for online reading and downloading via their app, including Osho’s 21-day meditation guide.

If you are looking for specific titles to start with, these are widely considered the gold standard:

: Provides free PDF resources focusing on classical Ashtanga yoga and meditation principles.