I would also add "The Psychedelic Explorer's Guide: Safe, Therapeutic, and Sacred Journeys" by James Fadiman as an excellent guide for sitters, and a list of protocols for work with psychedelics.
Finished «The Box: How the Shipping Container Made the World Smaller and the World Economy Bigger» by Marc Levinson and started Think Complexity By Allen B. Downey (O'Reilly series)