Another of Huxley's books that's shamefully unknown is "The Perennial Philosophy" https://www.amazon.com/gp/product/0061724947?ie=UTF8&linkCode=ll1&tag=data4sci

Another of Huxley's books that's shamefully unknown is "The Perennial Philosophy" https://www.amazon.com/gp/product/0061724947?ie=UTF8&linkCode=ll1&tag=data4sci04-20&linkId=506f8525037b5f9623a4de108b62b764&language=en_US&ref_=as_li_ss_tl https://www.amazon.com/gp/product/0061724947?ie=UTF8&linkCod... where fleshes out the teachings of major religious traditions