Classic work that introduces the history and major concepts (Ethics, Metaphysics, Epistemology, logic and other questions besides the Six Theories of Tragedy and the Mystery of human suffering to the reader.
I have the 1990 publication (third edition). It's been about 15 years since I last read it in summer school @ UWWC. Thought I'd enlighten my brain again to see if I'm still as passionate about philosophy as I was then.