Wraparound cover. Colors credit provided by Anthony Tollin. Letters credit from http://kleinletters.com/.
On inside front cover in black and white.
Per Mark Evanier "When the regular comic was cancelled, there was a script left over so it was published for the first time in the treasury."
Mark Evanier gives a behind the scenes look at Welcome Back, Kotter.
On inside back cover in black and white. Single photo with multiple gags from Gabe Kotter.