Since winning the Hunt & saving her new BFF Princess Evelyn Sam Kemi has been royally busy What with TV interviews working in her family's potion store & preparing to join Evelyn on her world tour Sam STILL hasn't had time for a real date with Zain her new-boyfriend-slash-former-rival & that's not happening anytime soon Someone has tampered with Sam's grandad's mind & she is the only one who can unlock his memories Memories that contain the key to the most powerful potion in the world & one which people would kill for So Sam must swap dresses princes & palaces for dragons centaurs & caves in her quest to save her grandad (and everyone else) Just your standard episode in the life of a potion-making teenager then Praise for The Potion Diaries ' It's so cool!' Zoe Sugg aka Zoella ' Inventive romantic & downright delightful' Sarah J Maas author of the Throne of Glass series