A first edition version of Beatrix Potter's 'Peter Rabbit' sold for $64,780 at Sotheby's. A signed first edition of J.R.R. Tolkien's 'The Hobbit' sold for $66,630. A copy of 'Harry Potter and the Philosopher's Stone,' signed by J.K. Rowling sold for $16,660. A 250-piece collection of rare works by Charles Dickens sold for $512,650.