Recommended by Robert:
Philip Shepherd
Joe Dispenza
Ken Wilber
Stephen R. Schwartz
Martin Mueller
New self, new world
Evolve your brain
Breaking the habit of being yourself
You are the Placebo
Becoming supernatural
Various
The compassionate presence
Angelic Dialogues (Foreword by Robert
compassionateselfcare.com
Prelude to a new man
and many more if you search for the authors.