Ten years and 80-million copies later, "The Da Vinci Code" is now on the house.
A free eBook edition of Dan Brown's blockbuster novel will be available at online retailers through March 24.
The eBook will also include the prologue and first chapter of Brown's next novel, "Inferno," which comes out in May. Barnes & Noble
, Google, Sony, Apple, and Kobo are all participating in the digital giveaway.