Sonic The Hedgehog Series Bible

>[The Sonic Bible was an internal document created by SOA][link] to provide a localised history and overall philosophy for Sonic and the Sonic universe. It is apparently not based on the Japanese history.

The [series bible][bible] for Sonic The Hedgehog from Sega’s launch of the first Sonic game in the US.

[link]: “Sonic The Hedgehog Bible – Sonic Retro Message Board”
[bible]: “Series bible”