Sonic the Hedgehog Official Stylebook & Character Manual

Sonic the Hedgehog (and his pals) Official Stylebook & Character Manual is a style guide for the Sonic the Hedgehog series, produced by AM Associates LLC, circa 1994. It was intended for use with any and all visual and verbal portrayals of Sonic, such as merchandising and advertisements. The guide was only available to licensees of the series.