: Detailed guides on how to safely and sustainably forage for wild edibles, including plants, mushrooms, and other ingredients found in forests, grasslands, and even urban landscapes.

: Felu's YouTube channel (@Felu) is the primary source for his recipes, where he provides full video tutorials and macros for free.

Also, the user is asking about a free PDF version. Often, people request free PDFs of books to avoid paying for them, which can be a copyright issue. I should address the legality of obtaining a free version without proper authorization.