Strictly about maps & mapping
An introduction by @bemosior
A mapping course by LEF:
http://learn.leadingedgeforum.com/p/wardley-mapping/?product_id=277424
A book by Simon:
Same book converted to AsciiDoc:
A book assembled from Simon’s posts by @chris.daniel:
https://www.penflip.com/cdaniel/future-is-predictable
Wardley Maps Community Hub
A community maintained list of useful Wardley mapping resources shared on GitHub:
YouTube videos
Related books and recommended readings
A book written around incomplete contracts. It is rather full of theory (some fluency in math is necessary), but also contains some great points about outsourcing (consistent with Wardley Maps, of course).
Identification of components is an art. The book below answers many questions about how to mentally tackle any company, which is a complex system with many unobvious dependencies.
Chaos Manifesto 2013
Answers the question why it is important to split a large project into small components.