•Why it earns a slot
Why it earns a slot: it is the founding document of rationalist theology, a rabbi using Aristotle to argue every anthropomorphic verse in the Bible is a deliberate figure of speech, not a description.
A twelfth-century rabbi writes one student a chapter-by-chapter letter explaining how to stop panicking when the Bible and Aristotle seem to contradict each other.
This distillation is written from the freely available original, which is always the better read when you have the time: Project Gutenberg.