Sonic the Hedgehog Modern Style Guide

Sonic the Hedgehog Modern Style Guide is a style guide book intended for use with the branding and merchandise of the "modern" Sonic the Hedgehog series. The book contains various resources such as character artwork and profiles, packaging mock-ups and design elements.

The book contains about one-hundred and forty pages and it is not publicly available; only given out to companies that make official products for the brand.