If you are looking for the official digital version of the book, it is widely available on major platforms:
: Offers the Invicto eBook for NOOK and other digital readers.
Our protagonist, let's call him Leo, lives in a world of constant noise. He is overwhelmed by notifications, paralyzed by the fear of others' opinions, and exhausted by trying to control things he simply cannot—like the weather, the economy, or his boss's mood. He feels "defeated" before his day even begins. Invicto Marcos Vazquez epub