Discover Airplanes with this Nonfiction Leveled Reader Learn all about airplanes in this beginning reader. Perfect for aircraft fans and children who want to learn about different kinds of Airplanes, Discover Airplanes is an educational reader with crisp and clear photographs. Here is an example of the text level: This is a low wing propeller plane. It has one long wing. The wing is below the pilot. Discover Reading series books from Xist Publishing are created with digital and print reading in mind. Each page features a photograph with descriptive text leveled for early readers.