(A Game for Boys from twelve years of age to one hundred and fifty and for that more intelligent sort of girl who likes boys' games and books)
Total Votes: 2
Available from Project Gutenberg in HTML, ePub, Kindle and plain text formats.
Skirmisher Publishing's edition is available in print, and in print and digital formats from Wargame Vault. They also publish a fantasy variant of their own design.
Available in Pocket Pamphlet PDF format from Cracked Mirror Publishing.
Available in PDF format from 5Realms Publishing.