Profiles the systems that work together to keep urban areas running safely, discussing how cities have evolved since the first riverside settlements while outlining projects that explain facts about transportation, water systems, and architecture.

In 2150, when genetic manipulation has been outlawed, seventeen-year-old Zelia must rescue her kidnapped sister with the help of a band of outcasts with mutated genes.

"Nere and her friends, all genetically engineered to survive in the ocean, go on a rescue mission."--

"Gotham City is overrun by villains of all shapes and sizes. It's up to Batman and his allies to stop them, but they can't do it without the help of some high-tech gear! Head into the Batcave to get a glimpse at all of the spectacular vehicles and tools Batman and his allies use to save the day!"--Publisher.

"Kyle McAdams races to find out what's killing kids conceived at the Genesis Innovations Laboratory before he becomes yet another perfect, blue-eyed corpse"--

Hex Allen can't do magic - a huge problem when everything from lights to locks is powered by simple spells that everyone can do. After years of feeling useless, Hex seizes the chance to change her future by journeying to the Wishing Wyrm, a legendary dragon that will grant a single wish once a century. Unfortunately, Hex isn't the only one after the wish, and every rival wish hunter has magic on their side. Every rival except the Clanksmiths, Cam...

"After discovering the truth about her origins--she is a clone, created to be a weapon--Miranda must fight to protect those she loves from an unthinkable future"--

"Elara just wants to learn how to build new worlds with her best friends Knot, Beezle, Sabik, and her alien-sponge roommate, Clare. But when an evil time-hopping force threatens to take down the galactic order, Elara's 'normal' school year might turn into something weird"--

"Amazing, towering structures like the Eiffel Tower, Colosseum, Taj Mahal, Sydney Opera House, and much more will fascinate science and fact-hungry kids as they learn facts such as how the Egyptian Pyramids (and other ancient buildings) were built without modern technology, what the Statue of Liberty originally looked like, and what makes the Leaning Tower of Pisa tilted. This Superstats book introduces readers to all sorts of structures in one convenient...

"Ara loves big numbers--BIG numbers. She wants to program her droid DeeDee to count all the stars, but she's not sure how. In this upbeat adventure, Ara visits Innovation Plex to enlist the help of four tech trailblazers--inspiring real-life engineers of Google. With her new friends, Ara discovers an algorithm for success that can solve BIG problems and be lots of fun: courage, creativity, code, and collaboration. , "--Page 4 of cover....