Listmania!
Awesome Horse Books
By an Amazon.com customer
The Man Who Listens to HorsesThe Man Who Listens to Horses by Monty Roberts
Buy new: $7.99 / Used from: $0.01
AMAZING book!!  Monte Roberts is awesome, and you can learn so much from him!
Judging Hunters and Hunter Seat Equitation: A Comprehensive Guide for Exhibitors and Judges (Revised and UpdatedJudging Hunters and Hunter Seat Equitation: A Comprehensive Guide for Exhibitors and Judges (Revised and Updated by Anna Jane White-Mullin
Buy used from: $4.44
Great information about what judges look for, and great if you are interested in judging
The Whole Horse Catalog: The Complete Guide to Buying, Stabling and Stable Management, Equine Health, Tack, Rider Apparel, Equestrian Activities and Organizations...and ... Else a Horse Owner and Rider Will Ever NeedThe Whole Horse Catalog: The Complete Guide to Buying, Stabling and Stable Management, Equine Health, Tack, Rider Apparel, Equestrian Activities and Organizations...and ... Else a Horse Owner and Rider Will Ever Need by Steven D. Price
Buy new: $14.96 / Used from: $5.79
everything you want to know!
Horses Don't Lie: What Horses Teach Us About Our Natural Capacity for Awareness, Confidence, Courage, and TrustHorses Don't Lie: What Horses Teach Us About Our Natural Capacity for Awareness, Confidence, Courage, and Trust by Chris Irwin
Buy new: $10.17 / Used from: $3.49
another great horse psychology book
Equine Massage: A Practical GuideEquine Massage: A Practical Guide by Jean-Pierre LMT Hourdebaigt
Buy used from: $9.02
Great guide to getting more in touch with your horse
True Unity: Willing Communication Between Horse and HumanTrue Unity: Willing Communication Between Horse and Human by Tom Dorrance
Buy new: $21.95 / Used from: $13.54
want to get in touch with your horse?  read this book
101 Horsemanship & Equitation Patterns: A Western & English Ringside Guide for Practice & Show101 Horsemanship & Equitation Patterns: A Western & English Ringside Guide for Practice & Show by Cherry Hill
Buy new: $29.95 / Used from: $17.50
good patterns
The USPC Guide to Conformation, Movement and Soundness (Howell Equestrian Library)The USPC Guide to Conformation, Movement and Soundness (Howell Equestrian Library) by Susan E. Harris
Buy new: $10.36 / Used from: $2.10
informative and great diagrams, as with most USPC books
Showing for BeginnersShowing for Beginners by Hallie I. McEvoy
Buy used from: $0.65
great for kids 12 and under
The New Encyclopedia of The HorseThe New Encyclopedia of The Horse
Buy new: $33.66 / Used from: $12.98
another "everything book".  especially about breeds
What Your Horse Wants You to Know: What Horses' "Bad" Behavior Means, and How to Correct ItWhat Your Horse Wants You to Know: What Horses' "Bad" Behavior Means, and How to Correct It by Gincy Self Bucklin
Buy new: $13.59 / Used from: $10.48
interesting perspectives
Horse Show Judging for Beginners: Getting Started as a  Horse Show JudgeHorse Show Judging for Beginners: Getting Started as a Horse Show Judge by Hallie McEvoy
Buy new: $15.25 / Used from: $7.29
a great entry level judges guide