Henry, Jessie, Violet, and Benny used to live alone in a boxcar. Now they have a home with their grandfather, and an exciting new exhibit to explore—from behind the scenes—at their local zoo.   But disaster strikes when a pair of rare ferrets is stolen. The two huge California condors are the thief's next target. The Aldens quickly decide that the animals are being taken by someone that works in the zoo. But how do they stop a thief

Henry, Jessie, Violet, and Benny used to live alone in a boxcar. Now they have a home with their grandfather, and they have started a children's birthday party planning business.   Cakes! Decorations! Party games and favors! The Alden children are having fun helping out the at neighborhood birthday parties. But then, a house is robbed—its hidden safe emptied—while Jessie, Henry, Benny and Violet are downstairs entertaining the young

A trip in a caboose at the end of a freight train leads to an old clown and a search.

The Aldens are spending a week at Camp Seagull on beautiful Claw Island. But as soon as camp begins, they realize that someone is not playing fair. Everything begins to go wrong for the Aldens—they lose their luggage, Henry misplaces the camp flag, and the campers on the other team use one of Jessie's ideas to score points for themselves. Are some campers so desperate to win the Olympics that they are willing to cheat? The Boxcar Children