If you read and like a book, nothing is better than knowing that it is just the first of a series.
And for those who enjoy romantic literature, Apple has a special page on iBooks Store promoting some titles for $ 4 or less, for a limited time!

The time has come to explore new literary universes. Only during the weekend, the first books of the best known romantic series available at a fantastic price. Start your collection now.
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Taking advantage of the fact that we're talking about the iBooks Store, two other free titles that Apple is promoting: “Histria das Copas”, published by state, and “The Order – The Mediator”, a tale by Meg Cabot.
Enjoy! 😃