Books in the The Blackthorn series series

Follow the clues. Crack the code. Stay alive.Potions, puzzles and the occasional explosion are all in a day's work for young apothecary Christopher Rowe. Murder is another matter.It's a dangerous time to be the apprentice of Benedict Blackthorn. A wave of mysterious murders has sent shockwaves through London, and soon Christopher finds himself on the run. His only allies are his best friend, Tom, courageous Molly, and a loyal feathered friend, Bridget. His only clues are a coded message about his master's most dangerous project, and a cryptic warning - 'Tell no one!'The race is on for Christopher: crack the code and uncover its secret, or become the next victim . . .A brilliant, fast-paced adventure perfect for fans of Percy Jackson.

Penguin presents the unabridged, downloadable, audiobook edition of Mark of the Plague by Kevin Sands, read by Ray Panthaki. BOILS, BLOOD AND A BURNING FEVER - THE BLACK DEATH HAS RETURNED TO LONDON . . . As the dreaded sickness spreads through the city, striking down rich and poor alike, an unknown man arrives with a miracle cure. But when an assassin threatens the life of the citys new saviour, young apothecary Christopher Rowe and his faithful friend Tom must risk their lives to untangle another dark conspiracy. And when the plague strikes close to home, the stakes are raised higher than ever before . . . The breathtaking sequel to The Blackthorn Key - shortlisted for the Waterstones Childrens Book Prize.