If you're interested in freediving or want to know more about it, and you like reading, James Nestor (maybe more well known for his book "Breath" about... well,

If you're interested in freediving or want to know more about it, and you like reading, James Nestor (maybe more well known for his book "Breath" about... well, breathing through your nose) wrote a book called "Deep" that is quite readable and I found informative (had no prior interest in freediving and haven't thought about it much since the book, but it was still worth reading!) I've found so many good book recommendations on HN, so thought I'd drop that here!