Start Here: Smart Thrillers

If you love codes, conspiracies, real-world science, and fearless heroines, you’re in the right place.

Think Fast Thrillers

Clever, high-speed thrillers led by women who outsmart the system—packed with codes, conspiracies, and can’t-put-it-down peril.

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Silver Gravity Books

7 Book Bundle - The Calla Cress Decrypter Thriller Series: eBooks 1-7 (EBOOKS)

£59.99 GBP
£59.99 GBP
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How delivery works

Digital (ebooks & audiobooks)

Delivered by email within minutes via BookFunnel. If your link doesn’t arrive within 10 minutes, check spam/promotions, then email info@silvergravitybooks.com and we’ll resend it.

Print (paperback & hardback)

We try to be a non-waste company and our books are printed on order within 24 hours. Books are printed on demand and shipped via Bookvault (fulfilled from the UK or US depending on format/location). Typical delivery: UK 7–10 working days; US & International 10–15 working days. Tracking link provided after dispatch.

Not sure what to choose?

Use Find the Book For You, or check Series Reading Order if you love reading in sequence.