Book links for long distance cruising

[GHA]

Maybe bit US based but most applicable anywhere. US chart 1 is pretty much the same as admiralty 5011. But free

http://davidburchnavigation.blogspot.com/2019/11/navigators-library.html

I would without a moments hesitation add 2 of his books as well, "Modern marine weather" & "The barometer handbook"

 

[Ohlin Karcher]

I have also discovered his stuff, a fantastic resource, thanks for posting.
Why isn't 5011 just called 'Admiralty Chart 1' ?