Sonic the Hedgehog Adventure Gamebook 3: Sonic v. Zonik

Sonic Adventure Gamebook 3: Sonic vs. Zonik, is a gamebook written by Nigel Gross and Jon Sutherland. It was published in 1994 by Penguin Books.

Overview
What's wrong with Sonic?

The Green Hill Zone is under attack from a new enemy. Reports come in of a fast-moving blue creature bashing everything in sight. Surely this can't be Sonic? Or has Robotnik cooked up another monstrous plan to crack the blue wonder?

It's up to you to find out. Use your speed, skill and agility in this part-story, part-game adventure. But think fast and move quickly - only the best can keep up with Sonic.