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Gale Galligan

Sonic the Hedgehog, Vol. 17: Adventure Awaits
Sonic the Hedgehog: Seasons of Chaos
Sonic the Hedgehog 30th Anniversary Celebration: The Deluxe Edition

Books

Sonic the Hedgehog, Vol. 17: Adventure Awaits
Sonic the Hedgehog: Seasons of Chaos
Sonic the Hedgehog 30th Anniversary Celebration: The Deluxe Edition