The Boxcar children collection

Summary: The Boxcar children mysteries have captured the imaginations of emerging readers for more than sixty years! Join the four Alden siblings on three exciting adventures--The Boxcar children, Surprise Island, and The yellow house mystery. The Boxcar children: Henry, Jessie, Violet and Benny, four orphaned brothers and sisters, suddenly appear in a small town. No one knows who these young wanderers are or where they have come from. Surprise Island: Now living with their grandfather, the orphaned Alden children spend the summer exploring their own private island. There's a mysterious stranger on the island who must keep his identity a secret--but that's not the only surprise in store for the Boxcar children! The yellow house mystery: Grandpa Alden tells Henry, Jessie, Violet and Benny of the curious circumstances in which the yellow house became vacant over forty years ago. Determined to solve the mystery, the children uncover a trail of clues that leads them to memories of their boxcar days.