--Obviously, this is just a list of the books that have been most helpful to us, not an exhaustive bibliography.  Be aware of outdated information such as the glued linen "linothorax" and shield construction!  A list of booksellers is on the Legio XX site, http://www.larp.com/legioxx/bibliog.html#booksellers.

GOOD, HELPFUL BOOKS, RECOMMENDED (If not easy to get or cheap...)

Baitinger, Holger.  Die Angriffswaffen aus Olympia. (Olympische Forschungen, Band XXIX).  Berlin: Walter de Gruyter, 2001.  ISBN 3-11-016999-1.  --Catalog of weapons excavated Olympia, in German.  There are volumes in this series for helmets, shields, greaves, etc.

Boardman, John.  Athenian Black Figure Vases.  London: Thames & Hudson, Ltd, 1997.  ISBN -500-20138-2 --Excellent collections of vase paintings!  Small photos, but very worthwhile.

___________.  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, and Dodge, Hazel.  The Ancient City: Life in Classical Athens & Rome.  Oxford: The University Press, 1998.  ISBN 0-19-917242-0

Kilian-Dirlmeier, Imma.  Die Schwerter in Griechenland (ausserhalb der Peloponnes), Bulgarien und Albanien. 1993.  ISBN 978-3515060202.  --In German.  Focuses on bronze swords, but includes some important iron swords as well.  But OUTside the Peloponnesian Peninsula!

Lendon, J.E.  Soldiers and Ghosts: A History of Battle in Classical Antiquity.  New Haven: Yale University Press, 2005.  ISBN 0-300-10663-7  --A "Must Read"!  What makes ancient warriors tick.

Lendon, J.E.  Song of Wrath: The Peloponnesian War Begins.  New York: Basic Books, 2010.  ISBN 978-0-465-01506-1  --Just plain brilliant.

Matthew, Christopher.  A Storm of Spears: Understanding the Greek Hoplite at War.  Philadelphia: Casemate Publishers, 2012.  ISBN 978-1-61200-119-7 --A real eye-opener!  A few shaky conclusions and arguable points, but highly recommended.

BOOKS WITH SOME GOOD INFORMATION, BUT USE WITH CAUTION (Outdated information, etc.)

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

Connolly, Peter.  Greece and Rome at War. London: Greenhill Books, 1998.  ISBN 185367303X  --An old favorite!  Great in 1980, but now we know that he was wrong about armor, shields, swords, etc....

Snodgrass, AM.  Arms and Armour of the Greeks.  London: Thames and Hudson, 1967 (Revised 1999). ISBN 0-8018-6073-3  --Haven't actually looked at this in decades, but I don't expect to find anything useful.

BOOKS TO AVOID--Outdated and misleading, no longer usable as decent sources besides scattered photos of artifacts or artwork

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

___________.  Greek Hoplite, 480-323 BC.  Osprey Warrior Series #27.  Oxford: Osprey Publishing, 2000.  ISBN 1 85532 867 4  --Outdated wasn't good enough, now he's actually working backwards...

___________.  The Spartan Army.  Osprey Elite Series #66.  London: Osprey Publishing, 1998.  ISBN 1-85532-659-0  --Nice photo of a Spartan drinking cup, actually.