When we first started western riding we got The Complete Guide to Western Horsemanship by J P Forget which was a very good starter book. Then a few years on Susie Anderson recommended Centred Riding by Sally Swift which is also very good and finally, following a visit to Paola Masi in Italy last year, who recommended Cross-Train Your Horse by Jane Savoie which has proved very useful (obtain through Amazon). I would highly recommend Janie Cresswell who advertises on WES as a supplier of western books. Hope this is helpful to everyone.