Mystery Behind the Wall

Four brave siblings were searching for a home – and found a life of adventure! Join the Boxcar Children as they investigate the mystery behind the wall in this illustrated chapter book series beloved by generations of readers.When the Boxcar Children find a mysterious journal hidden behind the wall of the guest room, it leads them on a search for a valuable coin collection. But what happened to the journal's owner, and what is she trying to tell them?What started as a single story about the Alden Children has delighted readers for generations and sold more than 80 million books worldwide. Featuring timeless adventures, mystery, and suspense, The Boxcar Children® series continues to inspire children to learn, question, imagine, and grow.