Synopsis: This wildly funny twist on the "How I spent my summer vacation" school-essay ritual details one child's imaginary adventures over the summer and is perfect for back-to-school reading!Most kids go to camp over the summer, or to Grandma's house, or maybe they're stuck at home. Not Wallace Bleff. He was supposed to visit his Aunt Fern. Instead, Wallace insists, he was carried off by cowboys and taught the ways of the West--from riding buckin'…