The Art of Personal Transformation: A Guide to Spiritual Awakening
by Theodore J. Nottingham
is on Amazon, Kindle, Audible:
https://www.amazon.com/Art-Personal-Transformation-Spiritual-Awakening/dp/B0CY86CC47/ref=tmm_pap_swatch_0?_encoding=UTF8&dib_tag=se&dib=eyJ2IjoiMSJ9.uAVmElta5XzAPP1lZ-txKi4cDfDWSluPXNAdeHoCzvrGjHj071QN20LucGBJIEps.GZoWlfUiZIbh-0Lybt_5dDJ9NuJrm29hD4kdl-8nfTc&qid=1710708665&sr=8-1

Practical teachings on inner transformation and personal guidance available at:
https://www.innerworkforspiritualawakening.net/