The Camelot Code. Geeks and the Holy Grail

Sophie must embark on her first official mission as a companion in the action-packed sequel to The Camelot Code!
In the second book in the Camelot Code series, Sophie is now tasked with protecting the spirit of King Arthur throughout the ages, so it's no surprise when she and Stu get sucked in to another Arthurian adventure: get the Holy Grail into King Arthur's hands so he can drink from it and recover from