The Alden children were searching for a home-and found a life of adventure! Embark on an exciting journey with the Boxcar Children in this Step 2 leveled reader, as they investigate a mysterious house on their family's private island. Perfect for early readers learning to read simple sentences. Many years ago, a man disappeared from the yellow house on Surprise Island. With a bit of sleuthing, the Aldens find a clue to the mystery! Can they uncover the truth of what happened so long ago? Adapted from Gertrude Chandler Warner's The Yellow House Mystery chapter book, this early reader allows children to start reading with a Boxcar Children classic. Step 2 Readers use basic vocabulary and short sentences to tell simple stories. For children who recognize familiar words and can sound out new words with help.