The author mentioned in the article (as one of his recommendations to his friend) that it may be helpful to read a non-technical book (among other things of course). One book that I have found very instrumental in helping me cope with stress and anxiety is "The Mind and the Brain" by Jeffrey M. Schwartz and Sharon Begley. The reasons why are very specific I think:
1) Its vocabulary appeals to those who like me appreciate science. 2) It tackles concepts that are common in zen and Buddhism but with solid, perhaps even more grounded, explanations. 3) It helps the analytical minded to understand that there is a separation between what the brain experiences and the self. This can help others in understanding through logic and reasoning how to take control of stress and anxiety.
Just though I would share in case anyone needing help with anxiety wants to read something new and helpful.