A secret network. A missing library. A new kind of danger.The Debug Crew is back-smarter, braver, and up against the most mysterious threat they've ever faced.When Maya, Jax, Lily, and Zara are called to investigate strange glitches at the futuristic Willowbrook Library, they expect a quick fix. Instead, they uncover a terrifying truth: Books are disappearing-not stolen, but digitally erased.And the library's AI? It's hiding something.As shadows stretch across the stacks and an unseen enemy manipulates every piece of technology, the Debug Crew must race against time to decode a security breach that feels almost... alive. From locked-down archives to rogue robots and encrypted messages no child should ever be able to crack, each clue draws them deeper into a web controlled by a mysterious entity known only as: The Puppetmaster.But this isn't just about one library.It's about every library.And the Debug Crew may be the only ones who can stop the Network of Shadows before it spreads.Perfect for fans of A.I. adventures, mystery-solving kids, and STEM-powered action, this thrilling second book in the Debug Crew Series blends coding, courage, robotics, teamwork, and heart-showing young readers that knowledge is power, questions matter, and even the smallest spark of curiosity can change the world.Get ready for a pulse-pounding adventure where every page hides a clue, every room hides a secret, and every kid has a superpower: their mind.The shadows are growing.The network is waking.And only the Debug Crew can stop it.