Blackletter/Fraktur

[now]

Hello,

I have a variety of penmanship books and whatnot, including the wonderful book by Master Penman Michael Sull. Does anyone have a resource for learning Fraktur/Blackletter? I have looked on Amazon and the Web in general, but as those pages are ranked by popularity I am guessing that they quality resources are hidden out there somewhere. Many thanks to any suggestions people can provide.

[Marsilius]

Some possibly interesting links below; not books, and you probably saw them already, but just in case:
https://www.youtube.com/watch?v=pTHVBHxM39A
(I think this one has a Part 2)

https://www.youtube.com/watch?v=VmVQTvnlDTI

https://www.youtube.com/watch?v=FgtgJ135pd4 and https://www.youtube.com/watch?v=wmguJZtlIGo

[SIR]

Judith Schalansky's "Fraktur Mon Amour (http://typographica.org/typography-books/fraktur-mon-amour-2nd-edition/)" is a very good entrance, though it doesn't specifically teach how (that can be learned easily - and more or less anywhere) it does give many, many examples for one to study, develop, and elaborate upon ;).