An introduction to the science that explains how birds fly.

When a thunderstorm grounds all flights following a huge Muslim convention, four unlikely kids are thrown together. Feek is stuck babysitting his younger sister, but he's rather be writing a poem that's good enough for his dad, a famous poet and rapper. Hanna is intent on finding a lost cat in the airport--and also on avoiding a conversation with her dad about him possibly remarrying. Sami is struggling with his anxiety and worried that he'll miss...

A mystery man inspires two boys to build a space ship which takes them to the planet of Basidium to help the Mushroom people.

"With her parents off traveling the globe, Lenora is bored, bored, bored -- until she discovers a secret doorway into the ultimate library. Mazelike and reality-bending, the library contains all the universe's wisdom. Every book ever written, and every fact ever known, can be found within its walls. And Lenora becomes its newly appointed Fourth Assistant Apprentice Librarian. She rockets to the stars, travels to a future filled with robots, and faces...

Only a select few animals are able to glide long distances through air, but they include an amazing variety-- even a few species of frogs and snakes. Catching Air takes us around the planet to meet these animals and explore why this gravity-defying talent has evolved in animals, amphibians, and reptiles.

"What is it like to float weightlessly in the air? What happens if you vomit in your helmet during a spacewalk? How do astronauts go to the bathroom? Is it true that they don't shower? Can farts really be deadly in space? Best-selling Mary Roach has the answers. In this whip-smart, funny, and informative young readers adaptation of her best-selling Packing for Mars, Roach guides us through the irresistibly strange, frequently gross, and awe-inspiring...

Sardine and her uncle, Captain Yellow Shoulder, sail their ship, The Huckleberry, across the universe meeting up with monsters and aliens in order to confront Supermuscleman, who is trying to take over the galaxy.

Sardine is back, and she's got a whole host of new problems to face even before the spaceship Huckleberry can get off the ground! In the fourth volume of this exciting series, Sardine must tackle, among other things, monsters under the bed, flesh-eating tattoos, time machines, and even boredom.

"Lenora returns to the magical Library -- which holds every book ever known on its shelves. But she discovers the Library is under new management, its incredible rooms and corridors turned dark and sinister. She quickly connects with a secret resistance that's trying to free knowledge from the shadows threatening it. Her new friends introduce her to an ancient lost city, hang gliding, and mathematical beings larger than the universe itself. And they...