1. 01. English Non Fiction Sonic: His Amazing History by Speregen, Devra newberger Publication: Availability: Copies available: (1), Actions:
2. Sonic the hedgehog : Knuckles' greatest hits / by Flynn, Ian, Publication: . 1 volume (unpaged) : , "Originally published as Sonic the Hedgehog issues #3, #10, and #11; as "Deep Trouble" in Sonic the Hedgehog Free Comic Book Day 2022; and as "Guardians" in Sonic the Hedgehog Annual 2022"--Copyright page. | "Sega"--Cover. 26 cm. Availability: Copies available: (1), Actions: