Here if you are looking for books from the philosophers _Book Genre of Philosophy
Learn about philosophy is a hard thing if we don't know about grand view about philosophy. Also because we don't know where to start. There're some ways to learn philosophy. We can learn based on history, based on branch category of philosophy, or based on concept theory on philosophy. After that we need to know some philosophers because philosophy theory come from philosophers thinking. Here are Philosophy structure if you want to learn based history timeline, from branch of philosophy, or concept on philosophy:
Based on Philosophers Timeline
Western Philosophy
Eastern Philosophy
Sorry, Eastern Philosophy Notes Under Development
Based on Branch
Based on Concept Theory
These outline was inspired from philosophy book by DK