The 6 Harry Potter's Back to School.

In the first book, Harry use a small boat to rejoin the other studients in the great hall. In the chamber of the secrets, he has to go to hogwarts with Ron in the Arthur weasley's Ford Anglia, for his third year to school, Mr Potter is attacked by a dementor. In the goblet of fire, the future hogwarts's champion eat a lot of chocolate with his two best friends in the train. Harry meets the strange Luna Lovegood and the skeletal in the 5th book, and, for his last back to school,he try to listen to what does Malefoy say because potter think Draco is a death eater.