London Calling Novel by James PontiPremium Off White Cream Pages Stitched Binding Matte Cover Local Premium Copy Language English Dimensions 5. 5 x 8. 26 inches Pages Amount 312 Summary London Calling is the sixth book in James Ponti's City Spies series, a middle grade spy novel that follows a team of young, diverse spies on a pair of international missions. The plot intertwines the search for a missing team member's sister with the investigation of a potential threat to a royal