Harry Potter's Motorcycle Rides

Since I was one of the people who started reading the Harry Potter 7-book series just as the new movie based on book 5 came out, I had no idea what I was getting myself into. It turns out that Harry first appears riding on a flying motorcycle in the first book, Harry Potter and the Sorcerer's Stone. Then in the last book (book 7) just released, Harry Potter and the Deathly Hallows, he again rides