Armed with secret knowledge, Juliette, now mayor of Silo 18 and her crew set out to rescue a world she hates but now understands better -- the world of the Silos with its rigid rules and terrible consequences for disobedience.

"Behind a hole in their basement wall, Chirri and Chirra discover a network of tunnels. Join them as they visit moles, discover caves full of glowing flowers, poke at the roots of growing plants, traverse a subterranean lake, and spend the night with a family of badgers!" --

"Thanks to the heroics of former New York City Mayor Tom Cafferty and his team, the world is once again safe. The villainous Foundation for Human Advancement has been dismantled, the cities of the world are safe from nuclear annihilation, and Cafferty is now on a hunt to decimate every nest of creatures on the planet. When Cafferty enters a nest underneath the Nevada desert, he is horrified to find it completely empty. It can only mean one thing:...

When a roamer trades them an ancient book with only a few pages remaining, Lina and Doon return to Ember to seek the machine the book seems to describe in hopes that it will get their new community, Sparks, through the winter.

Six months after vanishing into an underground silo with sixty others, Wynter and Chase emerge to find the area abandoned. There is no sign of Noah and the rest of the group that was supposed to greet them when they emerged--the same people Wynter was counting on to help her locate the IV antibiotics her gravely ill friend, Julie, needs in order to live. As the clock ticks down on Julie's life, Wynter and Chase embark on a desperate search for medicine...

Pulp paintings and rhyming text spotlight the underground world of burrowing, tunneling, and digging animals. Includes "Creature Indentification" page.

"Buried deep beneath the outskirts of the city, the London catacombs are known for being as beautiful as they are eerie. Discover the London catacombs, including who was laid to rest there, why they closed, and more"--

A mole is upset when his home is flooded by a rainstorm. Then he decides that he wants to fly, so he moves his home to an airport runway. He gets some help from a seagull, but eventually he finds a way to take a trip in an airplane.

Examines the challenges geologists and earth scientists face while studying underneath the surface and reasons why the work is important, and discusses working conditions, survival techniques, and the technology they use.

On his way to dinner with his fiancee, Richard Mayhew helps a mysterious wounded girl lying on the sidewalk. The next day, he discovers his actions have erased him from existence and he is now consigned to the underground world of London Below. Home use only.