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Harry Potter and the Half-Blood Prince. Pottermore Publishing. Accessed 2023-01-10.
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978-1-78110-054-7
1-78110-054-3
well-formed
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ISBN-10 1-78110-054-3 1781100543
ISBN-13 978-1-78110-054-7 9781781100547
Agency English language
2015-12-08
eBook