Shinobi Soldiers II: A Further Investigation into the Ninja by Antony Cummins (2010) continues to debunk common myths by focusing on the historical context, operational skills, and philosophical foundations of the shinobi. The work provides insights into historical ninjutsu through rare translated documents, including The Commandments of Iga . For more details, visit Amazon . Shinobi Soldiers II: A Further Investigation into the Ninja