Copyright: sonic the hedgehog in the fourth dimension
"Sonic the Hedgehog in the Fourth Dimension is a book written by James Wallis under the pseudonym "Martin Adams" and was published in the UK in 1993. Its story is based on the Kintobor origin story laid out in Stay Sonic (which in turn is based on Sega of America's Sonic Bible)."
https://sonic.fandom.com/wiki/Sonic_the_Hedgehog_in_the_Fourth_Dimension
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The following tags implicate this tag: carrie_the_coypu, eric_the_echidna (learn more).