What is the name of the company that employs Vernon Dursley?What is Caretaker Filch's secret that he is ashamed of?What subject does Professor Quirrell teach?So you think YOU are the ultimate Harry Potter fan? Have you read the books over and over? Did you stay up all night to be at the midnight book sale or midnight movie opening? Are your goldfish called Harry, Ron, and Hermione? If you answered YES to any of these questions then these books are for you."eQuivia Books"™  are the first interactive quiz and trivia eBooks that will test your knowledge of  Harry, Ron, Hermione, Hogwarts, Nicholas Flamel, Draco Malfoy, the spells, the professors and many other aspects of this best selling novel and movie.But wait, there's more.....eQuivia Books"™ will not only test your knowledge, but also give you fun and interesting information that even YOU might not knowGet your copy today to see how much you REALLY know about Harry Potter and the Philosopher's StoneNOTE: This book is meant to be for all HP fans. This is NOT especially for the "Experts" ...I tried to make the question mixed...some easy...some more difficult,  so everyone could join in the fun