When Will Burrows and his friend Chester embark on a quest to find Will's archaeologist father, who has inexplicably disappeared, they are led to a labyrinthine world underneath London, full of sinister inhabitants with evil intentions toward "Topsoilers" like Will and his father.

"The 21st Century Junior Library Extraordinary Engineering series explains how important feats of engineering are accomplished. Tunnels examines the engineering concepts that make these important structures possible. Sidebars encourage readers to engage in the material by asking deeper questions or conducting individual research. An activity, full color photos, a glossary, and a listing of additional resources all enhance the learning experience"--...

What takes us through mountains and carries water and power under our feet? TUNNELS! Discover why and how they are built and learn about some of the world's tremendous tunnels in this book. Downloadable Teacher Notes available.

When 14-year-old Will Burrows goes looking for his missing father, he discovers an underground world that time forgot. Ruled by a brutal class called the Styx, "The Colony" has not changed in a hundred years. Into this dark and mysterious place go Will and his friend Chester, unsure what they will find and oblivious to the dangers ahead. Before long their extraordinary adventure unearths a terrible secret-one that may cost them their lives. Hailed...

Today's tunnels, which extend through mountains and underneath oceans and rivers, are marvels of engineering. Readers take a close-up look at these structures and how they are built and maintained. Each chapter will focus on a key area, including the earliest tunnels, the technological advances that have improved their design and construction over time, profiles of tunnel-related careers, and examples of the most impressive tunnels in the world. This...

In this informative book, readers dig into the history of tunnels and expand their cultural awareness as they explore famous tunnels across the globe. They ll also discover other technologies that play a role in tunnels, such as the invention of dynamite and ancient aqueducts! Record-breaking tunnels will amaze even reluctant readers, and stunning photographs illuminate key concepts. The concluding engineering activity will give readers the chance...

"When a great antiquities collector is forced to donate his entire collection to the Hebrew University in Jerusalem, Nili Broshi sees her last chance to finish an archeological expedition begun decades earlier--a dig that could possibly yield the most important religious artifact in the Middle East. Motivated by the desire to reinstate her father's legacy as a great archeologist after he was marginalized by his rival, Nili enlists a ragtag crew--a...

Closer to victory...or closer to death? An army of darkness is on the march: Who won't escape with their life? The fourth book in the New York Times Bestselling TUNNELS series!At long last reunited with his dad, Will now spends his days exploring the "land of the second sun," decoding the cryptic glyphs carved into its three mysterious temples--or eyeing the wild animals with renegade girl Elliott. Chester, meanwhile, has finally returned Topsoil,...

Darren, Evra, and Mr. Crepsley leave the Cirque Du Freak and get a taste of the city, but when corpses drained of blood are discovered, Darren and Evra must confront a dangerous creature of the night.

Pepper Karalis, technowitch, has interacted with the trolls in Boston's T before. They've warned her about problems in the bedrock of magic - holes, cracks, quakes. Now they want her to fix it. She can't see the magic as they can, so she has to partner with a troll to do the work. Too late, she realizes not everyone wants her to succeed. Can she evade the traps set for her, repair the material of magic itself, and still manage to make her court date...