Released in 1977, Holmes edition was released a precursor to the upcoming Advanced Dungeons & Dragons.
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Podcast Website
https://petejones.neocities.org/
OSR Anchorites on Audio Dungeon Discord Server
https://discord.gg/BTY963
List of Changes Made to the Holmes Basic Rulebook
https://sites.google.com/site/zenopusarchives/home/rulebook-printing-info-and-trivia/list-of-changes-made-to-the-holmes-basic-rulebook
Blueholme Prentice - £4.30 (paperback)
http://www.lulu.com/shop/michael-thomas/blueholme-prentice-rules/paperback/product-23525933.html
Blueholme Journeymanne - £21.50 (hardback), £12.50 (softcover)
http://www.lulu.com/shop/michael-thomas/blueholme-journeymanne-rules-hardcover/hardcover/product-23469534.html
