Two entertaining "Harry Potter" companion books written by J.K. Rowling, which are republished to coincide with the latest film release, sure to be a summer blockbuster. As devoted fans of HP will know, "Fantastic Beasts & Where To Find Them" is a set text on the reading list for first year Hogwarts students, and "Quidditch Through The Ages" was a favourite read of Harry's in "Harry Potter & The Philosopher's Stone". Both these titles are firm sale.