Four orphaned children run away and live in a boxcar, until they are found by their grandfather. Includes a biography and photographs of the author.

"Hidden behind the wall of their guest room, a mysterious journal leads the Aldens on a search for a valuable collection"--

When their favorite pizza restaurant almost goes out of business, the Alden children try to help their friends stay open while they find out who is behind all their problems.

The Aldens have joined Dr. Iris Perez as she investigates legendary creatures around the world. In this adventure, the children investigate what might be living in the deep trench off the coast of Puerto Rico. From manatees to mermaids to sea monsters, creatures of the sea have been attracting tourists to the area for years. But when a man on a nearby island goes missing, it's up to the Aldens to sort out fact from fiction.

"The Boxcar Children have long been known for being creative and resourceful. This hardcover book is filled with fun how-to guides for everyday adventures. It includes tips and tricks for mystery solving (how to make invisible ink and create secret codes), travel (how to pack a suitcase; how to take great snapshots), and enjoying the great outdoors. Plus each of the four Boxcar Children has their own section--practical advice from Jessie, a "roughing...

The Aldens visit Grandfather's friend at the Ogopogo Retreat and aided by puzzling clues, embark on a treasure hunt to prevent the retreat from being sold.

The Aldens are excited to learn about beekeeping, but when equipment goes missing, they have more than honey to harvest--they have a mystery to solve.

While sightseeing at the Alamo, the Boxcar children investigate the disappearance of a priceless ring from the Alamo museum.

The Alden children, who are on vacation on a deserted South Seas island, discover clues that suggest that they may not be alone.