Retraining the Hard-Mouth Mule Putting A Stop On the Runaway Mule Roberts, Cindy K Heftet / 2014 / Engelsk
Training the Hard to Catch Mule - 4th Edition A Logical Approach on How to Connect With Your Mule Roberts, Cindy K Heftet / 2018 / Engelsk
Mule Girl Shenanigans Entertaining Tales That Will Delight Any Horse or Mule Girl Roberts, Cindy K Heftet / 2022 / Engelsk
Everything I Need to Know, I Learned from Mules Wisdom Developed from Living Close to A Manure Pile Roberts, Cindy K Heftet / 2023 / Engelsk
