Answered by Sayyidi al-Ḥabīb `Umar bin Hafīẓ (may Allāh preserve him and benefit us by him).

What books would you recommend to help acquaint newcomers with this path?

The books of Imam al-Ghazālī, Imam al-Nawawī, and Imam al-Ḥaddād are good for acquainting newcomers with the path.