This will be a treat for one true-blue fan of the strip: It's the first appearance of Sheldon anywhere! My 1996 college comic strip collection, "A Well Balanced Meal"!
Sheldon, you see, originally appeared as one of four characters in my college strip, "Four Food Groups of the Apocalypse." That strip was collected into book form in 1996, titled "A Well Balanced Meal." You can see Sheldon on the cover, below. And now I'm making ONE OF THE LAST TEN COPIES available, starting at one penny