If you're interested in techniques not covered in standard beekeeping texts, try Observational Beekeeping:
https://oxnatbees.wordpress.com/2024/10/18/new-book-the-observant-beekeeper/Price is higher than most books' for good reason: it's huge, and concise. It's a complete beekeeping course to an advanced level, comparing many approaches, compressing many books and other sources into one volume.
