Will's latest adventure with his transformer robot Planetron starts with a tricky math problem that leads them to some of the wonders in the Milky Way Galaxy: triple-star systems, exploding suns, huge nebulas, and strange pulsars.

A.C. Jones is celebrating his 13th birthday on Earth when he gets a present that changes his life forever. He's going to live with his Mom and Dad, on Mars! His journey across the distant reaches of space to join them is filled with fun, danger, and strange new adventures.

Don't let the lush jungles, unspoiled beaches, and rugged cliffs fool you. Dinosaur World's newest attraction is home to the most dangerous animals in the park.

Frog and Toad, those famous pals, are beloved by generations of children. Their every adventure is filled with the magic of true friendship, whether they're telling ghost stories, searching for a lost button, or eating too many cookies. This captivating audio collection features all four of the Frog and Toad books, read with humor and charm by award-winning author Arnold Lobel.

When Timothy McDunn is accidentally left behind in the middle of Dinosaur World he has to rely on his wits, and the help of a baby duckbilled dinosaur, to escape the jaws of the most terrifying creature in the park!

In Dinosaurs Before Dark, adventure is waiting to happen! Jack and his younger sister, Annie, stumble upon a tree house filled with books. Where did the tree house come from? How long has it been there? When Jack reads a book about the Cretaceous period, 65 million years ago, and wishes he could really see the pteranodon, it suddenly appears at his window. Magically. Before Jack and Annie can figure out the mystery, the tree house whisks them back to the prehistoric past.

The 23 tales in this set have never lost their popularity and sell in their millions all over the world. Meet again the famous characters that children love and adore...Peter Rabbit, Squirrel Nutkin, the Flopsy Bunnies, Mrs Tiggy-Winkle, Tom Kitten, Jeremy Fisher, Jemima Puddle-Duck and many more.

Fourth graders George Beard and Harold Hutchins are a couple of class clowns. The only thing they enjoy more than playing practical jokes is creating their own comic books. And together they’ve created the greatest superhero in the history of their elementary school: Captain Underpants! His true identity is SO secret, even HE doesn’t know who he is!

Kirsten Raymonde will never forget the night Arthur Leander, the famous Hollywood actor, had a heart attack on stage during a production of King Lear. That was the night when a devastating flu pandemic arrived in the city, and within weeks, civilization as we know it came to an end.

Ryland Grace is the sole survivor on a desperate, last-chance mission - and if he fails, humanity and the Earth itself will perish. Except that right now, he doesn't know that. He can't even remember his own name, let alone the nature of his assignment or how to complete it. All he knows is that he's been asleep for a very, very long time. And he's just been awakened to find himself millions of miles from home, with nothing but two corpses for company.

With such a vast universe, there is so much we have learned and much more that we will one day discover. In this book, you will discover new fun facts about space, astronauts, and NASA. You will have the opportunity to test your knowledge with multiple-choice questions.

Today's mission: Challenge your knowledge of planets, comets, stars, and more with this exciting quiz. The three-book series is now all in one! If you're looking for a fun, engaging way to challenge your knowledge of outer space, then you need this fact-filled trivia book! You can quiz friends and family during a galactic trivia night. If a question stumps you, we include the answer and multiple facts with every quiz so you can also brush up on your knowledge.

Millions of people visit xkcd.com each week to read Randall Munroe's iconic webcomic. His stick-figure drawings about science, technology, language, and love have a large and passionate following. Fans of xkcd ask Munroe a lot of strange questions. What if you tried to hit a baseball pitched at 90 percent of the speed of light? How fast can you hit a speed bump while driving and live? If there were a robot apocalypse, how long would humanity last?

For any task you might want to do, there's a right way, a wrong way, and a way so monumentally complex, excessive, and inadvisable that no one would ever try it. How To is a guide to the third kind of approach. It's full of highly impractical advice for everything from landing a plane to digging a hole.

Welcome to Ringworld, an intermediate step between Dyson Spheres and planets. The gravitational force created by a rotation on its axis of 770 miles per second means no need for a roof. Walls 1,000 miles high at each rim will let in the sun and prevent much air from escaping. Larry Niven's novel, Ringworld, is the winner of the 1970 Hugo Award for Best Novel, the 1970 Nebula Award for Best Novel, and the 1972 Ditmars, an Australian award for Best International Science Fiction.