Mimi, Papa and two of their grandchildren - Christina and Grant - fly to Paris aboard Pap's red and white airplane, The Mystery Girl. They find a famous statue is missing from the Louvre Museum and th
Grant spots a big problem with Big Ben-- and he and his sister, along with their two new best friends, George and Maggie, take a whirlwind tour from the top of the Eye, up the Thames River, down into
When Christina and Grant visit Alaska for the Iditarod race, they make new friends as they look for a missing musher and his team and learn about dogsledding and the Alaska gold rush.