Centered Riding by Sally Swift: The #1 book I recommend to any and all riders. Wonderfully illustrative, easy to understand, and full of great mental visuals to help cement the basic concepts of riding in your mind's eye.
On Horsemanship by Xenophon: Written over 2000 years ago, this is the piece of literature that all other classical theory originates from. Though there isn't much specific training advice, it's important to understand the origin of the "why" of what we do.
Horses Never Lie by Mark Rashid: Originally recommended by a beloved client, this book changed the trajectory of the TruBlu program forever. Mark gives a completely different perspective on relating to equines that will open more doors than you ever thought possible.
Down to Earth Dressage by Carl Hester: The beloved Olympian gives a simple, easy to understand overview of most dressage movements and concepts, with tips on how to troubleshoot. You can read it over and over again - getting something new each time. Great pocket reference!
True Horsemanship Through Feel by Bill Dorrance: By the legendary cowboy "horse whisperer" who is the root of the tree that other legends such as Ray Hunt and Buck Brannaman grew from - this book gives you a look into the foundation of all true horsemanship: feel. Although very dense, each word is valuable and describes a unique relationship to horses.
Progressive Dressage by Andre Jousseaume: A very cut-and-dry explanation of the progressive training of a dressage horse - from backing through the most advanced collection. Includes simple troubleshooting ideas. Great birds-eye-view of the training process.
Life by Keith Richards: The autobiography of the guitarist and songwriter of The Rolling Stones. Although not at all related to horses, Keith's headstrong and passionate adherence to his values and vision describes the feel required to build extraordinary relationships with our horses. A wonderful story about clarity, passion, and perseverance.
55 Corrective Exercises for Horses by Jec Aristotle Ballou: A great "how-to" guide on comprehensive yet simple exercises that every single horse on earth can benefit from. Illustrative and easy to follow. These exercises are used on a daily basis to help prepare the sales candidates in the TruBlu Program for their future careers.
Beyond Horse Massage by Tim Masterson: By the founder of the famous Masterson Method, this book shows you how daily, repetitive, simple bodywork techniques can make a huge impact on the wellbeing of our horses. A great, illustrative "how-to" guide.
Stretch Exercises for Your Horse by Karin Blignault: A great "how-to" guide on real-life stretches you can implement in your daily routine to avoid injury - from the highest-preforming athlete to the old retiree. An in-depth look into the mechanics of "why" and "how" to avoid strain, optimize biomechanics, and work with the horses conformation.