{"type":"rich","version":"1.0","author_name":"Sam (npub1yz…yfxu5)","author_url":"https://nostr.ae/npub1yzfm42rzr3dj2h50flpvdl0uzrv22kv2y4ghve804w5xqu6lzqcqkyfxu5","provider_name":"njump","provider_url":"https://nostr.ae","html":"I’m 4/7ths through and already would recommend it 100%. It’s a fascinating mix of history; both of cyphers/encryption/codes and real world/military events. "}