"The Animal Shelter Mystery: "When a calico cat appears at Grandfather's, the children look for the founder of the town's animal shelter.
"The Old Motel Mystery: "The Boxcar Children offer to help Aunt Jane's friend, Kay, fix up her run-down motel.
"The Mystery of the Hidden Painting: "The discovery of a painting of the children's grandmother involves the Aldens in a search for a sapphire necklace.