I love this passage

[azrom]

For almost seven days the two armies watched one another, waiting anxiously the moment for joining the struggle. Finally they made ready for combat. And in the shock of the battle the men of the North seemed like North a sea that cannot be moved. Firmly they stood, one close to another, forming as it were a bulwark of ice; and with great blows of their swords they hewed down the Arabs. Drawn up in a band around their chief, the people of the Austrasians carried all before them. Their tireless hands drove their swords down to the breasts [of the foe].   



At last night sundered the combatants. The Franks with misgivings lowered their blades, and beholding the numberless tents of the Arabs, prepared themselves for another battle the next day. Very early, when they issued from their retreat, the men of Europe saw the Arab tents ranged still in order, in the same place where they had set up their camp. Unaware that they were utterly empty, and fearful lest within the phalanxes of the Saracens were drawn up for combat, they sent out spies to ascertain the facts. These spies discovered that all the squadrons of the "Ishmaelites" had vanished. In fact, during the night they had fled with the greatest silence, seeking with all speed their home land. The Europeans, uncertain and fearful, lest they were merely hidden in order to come back [to fall upon them] by ambushments, sent scouting parties everywhere, but to their great amazement found nothing. Then without troubling to pursue the fugitives, they contented themselves with sharing the spoils and returned right gladly to their own country


Medieval Sourcebook:
Arabs, Franks, and the Battle of Tours, 732: Three Accounts

http://www.fordham.edu/halsall/source/732tours.html