It often can be helpful to divide spirituality into two distinct parts: The "deep" and the "practical."  LOA teachings tend to almost always be in the latter category.

Notes:

"The Law of Attraction Simplified": https://www.amazon.com/dp/B09DDGBBTN

Byron Katie's "A Thousand Names for Joy": https://www.amazon.com/dp/B000NJL7MI 

Great Nisargadatta Maharaj book: https://www.amazon.com/dp/B004ZZKSD0

Great Jan Frazier book: https://www.amazon.com/dp/B0876P4DFK

U.G. Krishnamurti: https://en.wikipedia.org/wiki/U._G._Krishnamurti