This is book number 15 in the Junie B. Jones series.
It's almost the end of the school year, and Room Nine is taking a field trip to a farm There's lots of fun farm stuff there. Like a real actual barn. And a real actual farmer. There's even real alive animals you can pet Only, where's the gift shop? That's what Junie B. Jones would like to know. Surely no one would want Junie B. to go home empty-handed. . . .