The Calla Cress Decrypter Thriller series
New to The Decrypter?
Start where the danger begins.
If you are discovering Silver Gravity Books for the first time, The Decrypter: Secret of the Lost Manuscript is the perfect place to begin. This is the first Calla Cress thriller — the book that introduces a brilliant heroine, a world of hidden codes, ancient secrets, and global conspiracy.
You do not need to know anything before you start. Just open Book 1 and step into a fast-moving thriller world filled with suspense, intelligence, and adventure.
Best for readers who want:
a strong entry point, a female-led thriller, and a series they can grow into.
The Calla Cress Decrypter Thriller Series
Ready to get fully immersed?
Go beyond one book.
If you already know you love smart, addictive thrillers, this series is made for binge reading. Start with The Decrypter: Secret of the Lost Manuscript, continue with The Mind Hacker, then move into Digital Eyes Only, or skip the pause and go straight for the 7-book ebook bundle.
The Calla Cress Decrypter thrillers are designed for readers who love to stay inside a world: layered conspiracies, recurring characters, escalating stakes, and a heroine you will want to follow from one mission to the next.
Best for readers who want:
back-to-back suspense, a complete reading journey, and the best-value way to devour the series.