An action-packed series full of mysteries, puzzles, and codes that will keep kids turning the pages. The books' striking cover art and unique packaging is sure to appeal to boys and girls alike. Eleven-year-old twins Jason and Julia have just moved from London to an old mansion on the English coast. Their new home is filled with twisting tunnels and strange artifacts from around the world, and the twins can't wait to discover all its secrets. Before long, Jason, Julia, and their friend Rick stumble upon a mysterious-looking door hidden behind an old wardrobe. But none of the keys in the house will open it. What lies behind the door? And why has someone tried to conceal it? Jason, Julia, and Rick are determined to find out, no matter what it takes....
Available format(s):
Classic Audio
Log in to read
What's an Audio Format Audio format refers to the way an audiobook is recorded. Not all audiobooks have the same formats. Classic Audio: A human reading an audiobook without the text displayed. VOICEtext (H): Human narrator with text that you can follow along with as it reads. VOICEtext (S): Synthetic voice with text you can follow along with as it reads.
This book is only partially available. Why?