Pearson's First-Half 2012 results

Pearson has reported its first-half 2012 financial results; here's a summary:

• North American educational sales were £1.022 billion, up 9% year-over-year; adjusted operating profits were £62 million, up 35%. (Net margins were 6.1%) 
• International educational sales were £724 million, up 13% year-over-year; adjusted operating profits were £73 million, up 16%. (Net margins were 10.1%) 
• Professional sales were £180 million, up 2% year-over-year; adjusted operating profits were £9 million, down 65%. (Net margins were 5%) 
• Penguin's worldwide sales were £441 million, down 4% year-over-year; adjusted operating profits were £22 million, down 48%. (Net margins were 5%) 
• Educational digital platform registrations were up 30%. 
• Penguin's eBook revenues were up 33% and now represent almost 20% of the publisher's revenues.