Harry By the Numbers In case you haven’t already seen the collected numbers: Scholastic reported selling 6.9 million copies of Harry Potter and the Half-Blood Prince in the first 24 hours on sale in the US, and noted they had already ordered (and started delivering) a reprint of 2.7 million copies. Amazon’s US pre-orders were over 919,000 copies. Barnes & Noble sold 1.3 million copies in the first 48 hours, including pre-orders and online sales. Borders sold 850,000 copies in the first 24 hours, and over a million copies in the first 48 hours on sale. Separately, Listening Library reported […]