TY - BOOK AU - Sands,Kevin TI - The Blackthorn key T2 - Blackthorn key ; 1 SN - 9781481446525 AV - PS8637.A537 B53 2016 U1 - 813/.6 23 PY - 2015/// CY - New York PB - Aladdin KW - Apprentices KW - Juvenile fiction KW - Pharmacists KW - Friendship KW - Secret societies KW - Cults KW - Serial murders KW - Paranormal fiction KW - Juvenile literature KW - Detective and mystery stories KW - Adventure stories KW - Historical fiction KW - London (England) KW - History KW - 17th century N1 - Ages 10-14 N2 - "'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"--Page 4 of cover ER -