[TACIXAT]

It looks like the author [1] is associated with The Book of Life [2] which is referenced on the site you linked [3]. Likely all owned by the same person.

[1] https://twitter.com/alaindebotton

[2] http://www.thebookoflife.org/

[3] https://web.archive.org/web/20160316112501/http://thephiloso...