Jack Stalwart Peril at the Grand Prix: Italy (Secret Agent Jack Stalwart) by Hunt-Elizabeth-Singer Paperback, 128 Pages, Published 2007 by Red Fox Import ISBN-13: 978-1-86230-121-4, ISBN: 1-86230-121-2
"Jack's car-racing hero, Morgan Parks, is in danger. Someone has already tried to harm him once, and they're about to try again. Can Secret Agent Jack Stalwart save his idol and the Italian team's chance to win the Monza Grand Prix?"
Jack Stalwart by Hunt-Elizabeth-Singer Paperback, 128 Pages, Published 2009 by Red Fox Kindle Ebook ISBN-13: 978-1-86230-632-5, ISBN: 1-86230-632-X
"One of the most treacherous treasure hunters in the world has stolen a map that leads to hidden Aztec gold. Can Secret Agent Jack Stalwart stop him and his band of thieves before they plunder again? (From back cover0."
"Some of Great Britain's most prized possessions, the Crown Jewels, have vanished from the Tower of London. Can Secret Agent Jack Stalwart triumph in his battle against a master magician to save the jewels before they go missing for ever?"
Secret Agents Jack and Max Stalwart(Illustrated) The Fate of the Irish Treasure: Ireland (Book 3) (Secret Agents Jack and Max Stalwart Series) by ElizabethSingerHunt , Dr Brian Williamson Paperback, 140 Pages, Published 2019 by Running Press Kids ISBN-13: 978-1-60286-578-5, ISBN: 1-60286-578-7
Secret Agents Jack and Max Stalwart(Illustrated) Book 1: The Battle for the Emerald Buddha: Thailand (The Secret Agents Jack and Max Stalwart Series) by ElizabethSingerHunt , Dr Brian Williamson Paperback, 144 Pages, Published 2017 by Running Press Kids ISBN-13: 978-1-60286-359-0, ISBN: 1-60286-359-8
The Secret Agent Training Manual How to Make and Break Top Secret Messages: A Companion to the Secret Agents Jack and Max Stalwart Series (The Secret Agents Jack and Max Stalwart Nonfiction Series) by ElizabethSingerHunt , Brian Williamson Paperback, 112 Pages, Published 2017 by Running Press Kids ISBN-13: 978-1-60286-339-2, ISBN: 1-60286-339-3