After two decades of war, Alexander's successors had found a delicate balance. When Ptolemy's wayward son managed to destabilize matters, the Celts grabbed their chance.

Theme: The Celtic invasion of Greece

• Stefanos Skarmintzos, 'The Celtic invasion of the Greek world - A fierce flood'.
  
• Gustavo Garcia, 'The Celtic panoply, as worn around 279 BC - The Celts of Brennus'.
• Myke Cole and Michael Livingston, 'Not the one you are probably thinking of - The Battle of Thermopylae'.
• Alberto Pérez Rubio, 'The birth & origins of the Celtic polities - Sons of Teutates'.
• Murray Dahm, 'Celts agains the gods - The Battle of Delphi'.

Features:

• Wolfgang Wilsch and Boris Dreyer, 'The "impact" of the Roman onager - Kicked by a donkey'.
• Jo Ball, 'The tombstone of Marcus Aemilius Durises - Dining with the dead'.
• Duncan B. Campbell, 'Elephants or war-machines - A historian's dilemma'.
• Davide Piccirillo, 'The iconography of the Samnite Warrior - Heavy infantry or skirmisher?'.
• Anneka Rene, 'The Spartan cavalry conundrum - Champing at the bit'.