The Blackthorn Key Series by Kevin Sands

“Tell no one what I’ve given you.”Until he got that cryptic warning, Christopher Rowe was happy, learning how to solve complex codes and puzzles and creating powerful medicines, potions, and weapons as an apprentice to Master Benedict Blackthorn—with maybe an explosion or two along the way.But when a mysterious cult begins to prey on London’s apothecaries, the trail of murders grows closer and closer to Blackthorn’s shop... more“Tell no one what I’ve given you.”Until he got that cryptic warning, Christopher Rowe was happy, learning how to solve complex codes and puzzles and creating powerful medicines, potions, and weapons as an apprentice to Master Benedict Blackthorn—with maybe an explosion or two along the way.But when a mysterious cult begins to prey on London’s apothecaries, the trail of murders grows closer and closer to Blackthorn’s shop. With time running out, Christopher must use every skill he’s learned to discover the key to a terrible secret with the power to tear the world apart. less

The Black Death has come to London, spreading disease and fear through town. A mysterious prophet predicts the city's ultimate doom until an unknown apothecary arrives with a cure that actually works. Christopher Blackthorn's shop is chosen to prepare the remedy. But when an assassin threatens the apothecary's life, Christopher and his faithful friend Tom are back to hunting down the truth, risking their lives to untangle the heart of a dark conspiracy... moreThe Black Death has come to London, spreading disease and fear through town. A mysterious prophet predicts the city's ultimate doom until an unknown apothecary arrives with a cure that actually works. Christopher Blackthorn's shop is chosen to prepare the remedy. But when an assassin threatens the apothecary's life, Christopher and his faithful friend Tom are back to hunting down the truth, risking their lives to untangle the heart of a dark conspiracy. And as the sickness strikes close to home, the stakes are higher than ever before. less

Christopher Rowe is back and there are more puzzles, riddles, and secrets to uncover in this third novel of the award-winning Blackthorn Key series.Wherever Christopher Rowe goes, adventure—and murder—follows. Even a chance to meet King Charles ends in a brush with an assassin.All that’s recovered from the killer is a coded message with an ominous sign-off: more attempts are coming... moreChristopher Rowe is back and there are more puzzles, riddles, and secrets to uncover in this third novel of the award-winning Blackthorn Key series.Wherever Christopher Rowe goes, adventure—and murder—follows. Even a chance to meet King Charles ends in a brush with an assassin.All that’s recovered from the killer is a coded message with an ominous sign-off: more attempts are coming. So when Christopher’s code-breaking discovers the attack’s true target, he and his friends are ordered to Paris to investigate a centuries-old curse on the French throne. And when they learn an ancient treasure is promised to any assassin who succeeds, they realize the entire royal family is at stake—as well as their own lives.In the third heart-pounding installment of the award-winning Blackthorn Key series, Christopher, Tom, and Sally face new codes, puzzles, and traps as they race to find the hidden treasure before someone else is murdered. less

Christopher Rowe is back, and there are more puzzles, riddles, and secrets to uncover in this fourth novel of the award-winning Blackthorn Key series.Christopher Rowe has no idea who he is. After being shipwrecked in Devonshire, he wakes up alone, his memories gone. Villagers tell him he was possessed by an unseen evil, and only became conscious after being visited by the local witch.As Christopher tries to get his bearings, he realizes his current state may be far from coincidence... moreChristopher Rowe is back, and there are more puzzles, riddles, and secrets to uncover in this fourth novel of the award-winning Blackthorn Key series.Christopher Rowe has no idea who he is. After being shipwrecked in Devonshire, he wakes up alone, his memories gone. Villagers tell him he was possessed by an unseen evil, and only became conscious after being visited by the local witch.As Christopher tries to get his bearings, he realizes his current state may be far from coincidence. Dark events have been happening in this corner of Britain-village children are disappearing without a trace. There are whispers that the malevolent ghost of the White Lady has returned to steal the children away, one by one, and consume their souls.Thankfully, friends Tom and Sally find Christopher and help him reconnect with his unique skills and talents, even as his memories elude him. But as motives and secrets are revealed, Christopher finds himself in a desperate race to reclaim his memories and discover the missing children before it's too late. less

Christopher’s homecoming takes a sinister turn when a murderous conspiracy is uncovered in this fifth novel of the award-winning Blackthorn Key series.Christopher, Tom, and Sally are back in London at last. Everyone is relieved at their return—the plague has ended, and the king, pleased with their service, offers a surprising reward. But trouble has followed them home... First, an old friend is ambushed and left for dead... moreChristopher’s homecoming takes a sinister turn when a murderous conspiracy is uncovered in this fifth novel of the award-winning Blackthorn Key series.Christopher, Tom, and Sally are back in London at last. Everyone is relieved at their return—the plague has ended, and the king, pleased with their service, offers a surprising reward. But trouble has followed them home... First, an old friend is ambushed and left for dead. Then an anonymous letter arrives at Blackthorn—a mysterious warning hidden inside a riddle and secret code. As Christopher and his friends begin to investigate, they soon discover they’ve stumbled upon a plot to kill the king...and anyone else who dares stand in the traitors’ way. less

Christopher finally uncovers the Raven’s identity in this sixth novel of the award-winning Blackthorn Key series.The stakes are higher than ever when the Raven sets Christopher up for a horrible crime, leading him to be locked away in London’s most notorious prison. This terrible act is the first in a series of games the Raven plans to play with Christopher…games that are as dangerous as they are challenging... moreChristopher finally uncovers the Raven’s identity in this sixth novel of the award-winning Blackthorn Key series.The stakes are higher than ever when the Raven sets Christopher up for a horrible crime, leading him to be locked away in London’s most notorious prison. This terrible act is the first in a series of games the Raven plans to play with Christopher…games that are as dangerous as they are challenging. Once free from prison, Christopher, Tom, and Sally engage in a cat and mouse game with the Raven that takes them all over London. Can Christopher outwit the Raven one final time and finally unmask him? And what price might he have to pay to achieve that? This is the thrilling conclusion to the Blackthorn Key series that fans have been waiting for! less