. "Free"@en . "Harry Potter Book Cover"@en . . . "Harry Potter Book Cover was a September 2010 Harry Potter accessory set. It was available for free in September 2010 in certain LEGO Stores with a US $50 purchase."@en . . . "Harry Potter Book Cover"@en . "September 2010"@en . "Harry Potter Book Cover was a September 2010 Harry Potter accessory set. It was available for free in September 2010 in certain LEGO Stores with a US $50 purchase."@en . "Books"@en . . "1"^^ . "Harry Potter !Harry Potter"@en . . .