Here is a link to my book "An Integrated Approach to Spiritual Growth-Sixteen Ways to Meditate."
https://www.amazon.com/Integrated-Approach-Spiritual-Growth-Meditate/dp/0983547548/ref=sr_1_3?s=books&ie=UTF8&qid=1467823209&sr=1-3&keywords=albert+haust
https://www.amazon.com/Integrated-Approach-Spiritual-Growth-Meditate/dp/0983547548/ref=sr_1_3?s=books&ie=UTF8&qid=1467823209&sr=1-3&keywords=albert+haust