The growth took place in United States and Puerto Rico, between November 2011 and January 2012.

Santillana USA is reporting a 78% ebooks sales increase in United States and Puerto Rico. This is the most significant growth since the company started offering its digital catalog in 2010.

“La reina del Sur” (The Queen of the South) by Arturo Pérez-Reverte, “Conquistadora” by Esmeralda Santiago and “Amanecer” (Breaking Dawn) by Stephenie Meyer are the most popular of the 1,350 titles the publishing company is selling through Nook, Kindle and Apple's iBookstore.

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