In The Mystery of the Mona Lisa, Jack is sent to the Louvre Museum in Paris to track down the theft of the world's most beloved painting. He must match wits wit

In The Mystery of the Mona Lisa, Jack is sent to the Louvre Museum in Paris to track down the theft of the world's most beloved painting. He must match wits wit

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 thi

Jack finally receives a coded message from his brother Max, possibly detailing his whereabouts. But duty calls, and Jack is whisked away to the sweltering savan

The third jet-setting installment in the thrilling award-winning chapter book series Secret Agents Jack and Max Stalwart, by Elizabeth Singer Hunt (Secret Agent