For fans of the award-winning SECRET AGENT JACK STALWART comes a must-read new chapter book series! Now Jack teams up with his older brother, Max, to solve new international mysteries, using their special training as secret agents. Temporarily retired from the GPF-Global Protection Force-and on family vacation, Jack Stalwart and his older brother, Max, are motivated to act when a band of thieves takes the Emerald Buddha from the Grand Palace in Bangkok. Without the help of the GPF, they're on their own. They're also up against one of the smartest and wealthiest villains they've ever faced. Can Jack and Max find Thailand's most precious statue before it's too late?

In The Caper of the Crown Jewels, Jack is summoned to solve a matter of grave national importance: the theft of the Crown Jewels of the British Empire from the Tower of London. Arriving on the scene, he is greeted by a traditional Tower guard- a Yeoman Warder (or Beefeater)- who explains what's missing: The Imperial State Crown, the Sovereign's Orb, and the Sovereign's Scepter with the cross containing the finest-cut diamond in the world, the Star of Africa. Jack identifies Ivan the Incredible and his assistant, Jazz, as the thieves immediately--but puzzling out how they did it is stickier. The famous Tower has the most advanced security in the world, and even using his impressive gadgets (the Encryption notebook, Heli-Spacer, Rock Corer, and Rope Tornado) Jack is flummoxed by how the jewels were spirited out. However, Jack can conjure up more than gadgets--he foils the evil magicians with some powerful mojo of his own, dispels an invisibility enchantment, and narrowly avoids the executioner's block before restoring the jewels to the crown and earning the gratitude of the Queen herself!

For fans of the award-winning SECRET AGENT JACK STALWART series comes a must-read new chapter book series! Now Jack teams up with his older brother, Max, to solve new international mysteries, using their special training as secret agents. Secret agents Jack and Max Stalwart are sent to the Amazon jungle to investigate the disappearance of an important Global Protection Force scientist. Soon, they discover that the scientist's disappearance is no accident. A greedy outlaw is illegally mining for gold and he'll stop and nothing to keep his secret safe. Can Jack and Max save themselves and the scientist from almost certain death?

An endangered giant panda has been kidnapped from the Wolong Nature Reserve in China. Can Jack find the panda and rescue it before the evil Scorpion Gang sells it for profit?

On the hunt to find his missing brother, Max, Jack Stalwart travels to Egypt, where he must prevent an ancient and terrible curse from wreaking havoc.

"The Mona Lisa", the most famous painting in the world, has been stolen from the Louvre Museum in Paris. Can secret agent Jack Stalwart find it before an evil red-haired man takes it out of the country, never to be seen again?

The fourth globe-trotting installment in the exciting Secret Agents Jack and Max Stalwart series, by beloved children's author Elizabeth Singer Hunt (author of the award-winning Secret Agent Jack Stalwart series). Now Jack teams up with his older brother Max to solve a thrilling California puzzle, using their special training as Global Protection Force agents. In the foothills of California's Sierra Nevada Mountains, an unbelievable discovery is made: $10 million in rare coins dating back to the California Gold Rush! Secret Agents Jack and Max Stalwart are sent to protect the treasure. But almost as soon as they arrive, it vanishes into thin air. Little do they know that the culprit is someone from Jack's past. Unfortunately for the brothers, the criminal isn't only after the loot. He wants revenge.