A System for Writing: How an Unconventional Approach to Note-Making Can Help You Capture Ideas, Think Wildly, and Write Constantly - A Zettelkasten Primer

Bob Doto does a great job of explaining how to apply the theory behind a ZK to create your own. I read Sohnke Ahrens book previously which helps explain the theory behind why it works. But i struggled to understand how to apply it until i read this book.

Very straightforward look at how to keep and use a zettelkasten - a lot of this can be found online (most by Doto himself), but this book puts it together very straightforwardly.