How to Take Smart Notes

In my search for improving my personal system for organizing and linking ideas, Zettelkasten came up over and over. This book is a very thorough–and very dry–walkthrough of all the ways great note-taking makes good thinking and writing possible, and the Zettelkasten approach. For my particular purposes I got a lot out of it, but gassed out before I finished it.
How to Take Smart Notes: One Simple Technique to Boost Writing, Learning and Thinking