"It's fall spirit week and the Pops have established their own exclusive "pep squad," complete with matching outfits! Jenny and her friends counter with their own plan to show off their school pride, and it's pretty incredible. The competition heats up even more when a costumed lion mascot appears on the scene. No one knows who's inside--is it a Pop ... or not?"--Back cover.

"Apple series"--P. [4] of cover.