books.google.fr - "Cavalry were an important part of almost every ancient army, yet modern writers have neglected them in favour of the infantry of the Greek phalanx and the Roman legions. Warhorse seeks to correct this injustice." "Philip Sidnell challenges the common view that ancient cavalry were useful for scouting...https://books.google.fr/books/about/Warhorse.html?hl=fr&id=DP2EHwdMnq4C&utm_source=gb-gplus-shareWarhorse