for St. Patrick's Day from the Black Lagoon by Mike Thaler
It's St. Patrick's Day and Hubie needs to find something green to wear for the big class parade. Leprechauns, four-leaf clovers, pickles--how can he possibly make a decision with all these great options? He better decide quickly, because there's a rainbow out and everyone is looking for the pot of gold at the end of it.
Publisher description retrieved from Google Books.