Spiritual disciplines—like fasting, biblical meditation, and the like—have a reputation as being only for super spiritual people. Au contraire, we say! While they can be difficult and require, well, discipline in order to do, they are also incredibly valuable for living the Christian life—in our technological age, one might say now more than ever.
Tony's recommendation: Spiritual Disciplines for the Christian Life by Donald S. Whitney, https://smile.amazon.com/Spiritual-Disciplines-Christian-Donald-Whitney/dp/1615216170/ref=sr_1_1?crid=2ZS980KDM9EY5&dchild=1&keywords=donald+whitney+spiritual+disciplines+for+the+christian+life&qid=1614814042&sprefix=whitney+spiritual+di%2Caps%2C243&sr=8-1