Click on the links below to get search results on books related to each topic from Amazon.com.

Gilgamesh

Iliad

Odyssey

Plato

Aristotle

Gita

Ramayana

Virgil

1001 Nights

Illuminated Manuscripts

Song of Roland

Chanson de Geste

Medieval History

Apocryphal Gospels

Dante

Beowulf

Chaucer

Boccaccio

Don Quixote

Doctor Faustus

Paradise Lost

Candide

Other Books I have recommended:

Pillars of the Earth
The Name of the Rose
Oxford Scholar's Bible
Any Book by Edward Rutherfurd
When Christ and His Saints Slept (Historic Novel about the Battle for the English Crown in the 12th Century)
In a Dark Wood Wandering (a medieval historic novel)
The Dante Club