Knuckles, Sonic’s friendly rival from the SEGA games and Archie Sonic comic books, unlocks the secrets of the Brotherhood of Guardians in this action-packed graphic novel! The long-lost Guardian Tobor returns to Angel Island to expose a traitor within the ranks of the Brotherhood! Who, or what, are the mysterious Secret Service seeking? And who is this young man that will reshape the future of the Kingdom of Acorn? There are intrigues and first appearances galore in this collection! Knuckles Archives Volume 4 collects Knuckles the Echidna #16-21.