Theft on The Mississippi and The Stormy Flight

From the publisher: Theft on the Mississippi: It’s 1872, and you are traveling down the Mississippi on a paddle-wheel steamboat en route to New Orleans to solve a case. But then a robbery happens – right on board the boat! A successful businessman was carrying documents of inestimable value, and now they have disappeared. Are you ready to solve the theft? The Stormy Flight: You are crew members on a passenger plane. Suddenly, you find yourselves in the middle of an electrical storm. Some of the plane’s control systems start to fail as water penetrates the engines. Time is running out. Will you be able to repair the airplane and land safely?