Ping!
Does the writer understand who the parable is speaking about?? Doing penance is walking?? Please.
Fr. Rutler’s brief book looks interesting. There are some classics out there on the parables too:
Fonck’s classic on the parables:
Online: https://archive.org/details/parablesgospel00foncuoft
Amazon: http://www.amazon.com/Parables-Christ-Leopold-Fonck/dp/B000Q6S1S6/ref=sr_1_3?s=books&ie=UTF8&qid=1427558908&sr=1-3&keywords=fonck+parables
Callan’s classic on the parables:
http://www.amazon.com/PARABLES-CHRIST-Notes-Preaching-Meditation/dp/B000KIK7FK/ref=sr_1_1?s=books&ie=UTF8&qid=1427558983&sr=1-1&keywords=callan+parables