London Calling: Volume 6

In this sixth installment in the New York Times bestselling series from Edgar Award winner James Ponti, the young group of spies stages a rescue in Rome in another international adventure perfect for fans of Spy School and Charlie Thorne.

Cairo, the newest member of the City Spies, takes the lead when his sister disappears in Istanbul. Determined to save the family of one of their own, the team risks discovery as their search leads them to Rome. Meanwhile, there’s been intel that seems to threaten the royal wedding about to take place in Westminster, bringing the team back to the UK on an official case for MI6. With so much security all over the city, it’s harder than ever for the City Spies to go unnoticed. Will their skills be up to the task?

About the author

James Ponti is the New York Times bestselling author of four middle grade book series: The Sherlock Society following a group of young detectives; City Spies, about an unlikely squad of five kids from around the world who form an elite MI6 Spy Team; the Edgar Award–winning Framed! series, about a pair of tweens who solve mysteries in Washington, DC; and the Dead City trilogy, about a secret society that polices the undead living beneath Manhattan. His books have appeared on more than fifteen different state award lists, and he is the founder of a writers group known as the Renegades of Middle Grade. James is also an Emmy–nominated television writer and producer who has worked for many networks including Nickelodeon, Disney Channel, PBS, History, and Spike TV, as well as NBC Sports. He lives with his family in Orlando, Florida. Find out more at JamesPonti.com.

Product details

• Authors: James Ponti, Ponti James
• Publisher: Harper Collins
• Languages: English
• Age Recommendation: ages 8 to 12
• Product format: Paperback / Softback
• Release: 12.02.2026
• EAN: 9781665932516
• ISBN: 978-1-6659-3251-6
• No. of pages: 416
• Dimensions: 130 mm x 194 mm x 28 mm
• Illustrations: f-c matte uv cover w-spot UV and foil
• Series: City Spies
• Subjects: Children's and young people's books; JUVENILE FICTION / Action & Adventure / General, JUVENILE FICTION / Mysteries & Detective Stories, JUVENILE FICTION / Thrillers & Suspense, Crime & mystery fiction (Children's / Teenage), Children’s / Teenage fiction: Action and adventure stories, Adventure stories (Children's / Teenage), Children’s / Teenage fiction: Crime and mystery fiction, Thrillers (Children's / Teenage), Children’s / Teenage fiction: Thrillers / suspense