The Mystery of the Lost Mine: The Aldens are going on a trip to the Arizona desert. There they learn about the legend of the Lost Dutchman Mine. Everyone thinks the mine is filled with gold. Can the Boxcar Children find out if the legend is true - and if it is, who will find the gold?The Guide Dog Mystery: The Aldens are going to visit a guide dog school - but once they arrive, mysterious things start to happen. Benny sees strange lights in one of the dormitory rooms . . . and late one night, someone breaks into the kennel where the guide dogs are kept. Is someone after one of the dogs? The Boxcar Children are determined to find out!The Hurricane Mystery: When the Aldens hear that Grandfather's friend Mrs. Ashleigh had an ancestor who was a pirate, they decide to hunt for his hidden treasure. But then strange things start to happen, and it looks like someone else wants to find the treasure - and keep it! Can the Boxcar Children stop the thief before the next hurricane hits?