The Science of Self-Learning: How to Teach Yourself Anything, Learn More in Less Time, and Direct Your Own Education (Learning how to Learn Book 1)

by Peter Hollins

You can start with the journalistic questions (who, what, where, when, why, how), then move on to contextual questions (how did this happen and what happens after) for a good, thorough start to understanding.

These two seem similar. Why differentiate?