Joanne (Kathleen) Rowling, Harry Potter and the Philosopher s Stone (1997), UK first edition, fourth printing, and 'Harry Potter and the Chamber of Secrets' (1998), UK first edition, seventh printing. Both books published by Bloomsbury in the first issued box set. Both volumes are signed by author J.K. Rowling on the respective half-title pages as shown. Chamber of Secrets is in addition inscribed to Johnny According to Philip Errington s J.K. Rowling: A Bibliogarphy (2017), the first Philosopher printing had a print run of only 500 copies; the second printing followed quickly with a run of 1,000 copies, followed by the third and fourth printing of 500 copies each only (p.4). Provenance: The signatures are consistant with how Rowling used to sign in 1998-99. Rowling did sign a few of those box sets for school children back in those years. The additional dedication by the author makes it easier to verify the signatures and handwriting. Condition: Philosopher is in near fine condition. I