Board Thread:General Discussion/@comment-38613813-20191228151116

Hello, I'm new to this wiki and have a question: what do the different abbreviations mean ? I understood that HoO stood for "Heroes of Olymus" and GN for "Graphic Novels" but what did Org, Alt, RR (maybe Rick Riordan), GG or TOA mean ? Thank you in advance for your response. 