From the Publisher's website:
They rode swiftly across Eurasia over steppe and across plains under the Great Khan, or from Byzantium in armor as Cataphracts. Man, beast, and bow have long been weapons of shock and maneuver. Now you can find out as you re-write the pages of history's great battles like those featuring the massive Persian cavalry fomations at Thymbra (547 BC) and Platea (479 BC).
Charge to get your copy of this second Expansion Pack for Ancient Battles Deluxe.