--Obviously, this is just a list of the books that have been most helpful to us, not an exhaustive bibliography.  A list of booksellers is on the Legio XX site, http://www.larp.com/legioxx/bibliog.html#booksellers.

Anderson, JK.  Military Theory and Practice in the Age of Xenophon.  Berkeley: University of California Press, 1970.  ISBN 520-01564-9

Boardman, John.  Athenian Black Figure Vases.  London: Thames & Hudson, Ltd, 1997.  ISBN -500-20138-2

___________.  Athenian Red Figure Vases. The Archaic Period.  London: Thames & Hudson, 1996.  ISBN 0-500-20143-9

___________.  Athenian Red Figure Vases.  The Classical Period.  London: Thames & Hudson, 1989.  ISBN 0-500-20244-3

Connolly, Peter.  Greece and Rome at War. London: Greenhill Books, 1998.  ISBN 185367303X

___________.  The Greek Armies.  London: MacDonald Educational, 1977.  ISBN 0-382-06308-2

Hanson, Victor Davis.  The Western Way of War.  New York: Oxford University Press, 1989.  ISBN 0-19-506588-3

Sekunda, Nick.  The Ancient Greeks.  Osprey Elite Series #7.  London: Osprey Publishing, 1986.  ISBN 0-85045-686-X

___________.  Greek Hoplite, 480-323 BC.  Osprey Warrior Series #27.  Oxford: Osprey Publishing, 2000.  ISBN 1 85532 867 4

___________.  The Spartan Army.  Osprey Elite Series #66.  London: Osprey Publishing, 1998.  ISBN 1-85532-659-0

Snodgrass, AM.  Arms and Armour of the Greeks.  London: Thames and Hudson, 1967 (Revised 1999). ISBN 0-8018-6073-3

Warry, John.  Warfare in the Classical World.  New York: St. Martin's Press, 1980.  ISBN 0-312-85614-8