
The Blackthorn Key
Kevin Sands
In 1665 London, Christopher is an apothecary’s apprentice. With his best friend Tom, he investigates a mysterious cult and works to uncover what lies behind it. Their search leads through puzzles, codes, pranks, and dangerous encounters toward a powerful secret. The novel is part of a historical-fiction series set in seventeenth-century England and Europe, where Christopher and his friends confront mysteries and malicious plots against King Charles II.
This book appears on 2 reading lists across 1 edition from 2 organizations.


