The fieldtrip to the planetarium is foiled when the museum turns out to be closed, but Ms. Frizzle saves the day. The Magic School Bus turns into a spaceship and takes the class on a trip zooming through the atmosphere, to the Moon, and beyond! With up-to-date facts about the solar system, revised for this edition.

Rock collecting has never been quite like this! When the class forgets to do its homework, a field trip through the Earth's crust, into the center of the Earth, and out through a volcano will teach them not to forget their assignments again - and then some!

The classroom is decorated as Dinosaur Land, but Ms. Frizzle, inspired by an archeological dig, craves a more authentic experience. The Magic School Bus turns into a time machine and transports the class back millions of years to an adventure in which they learn about dinosaurs, their habitats and diets, and even a Maiasaura nesting ground.

When Arnold wishes he had more information for his family tree, Ms. Frizzle revs up the Magic School Bus and the class zooms back to prehistoric times. First stop: 3.5 billion years ago! There aren't any people around to ask for directions. Luckily Ms. Frizzle has a plan, and the class is right there to watch simple cells become sponges and then fish and dinosaurs, then mammals and early primates and, eventually, modern humans. It's the longest class trip ever! 

Buckle up for an awesome aquatic adventure with Ms. Frizzle and the class!

When we last saw our heroes, George and Harold, they had been turned into evil zombie nerds doomed to roam a devastated, post-apocalyptic planet for all eternity. But why, you might ask, didn't the amazing Captain Underpants save the boys from this frightening fate? Because Tippy Tinkletrousers and his time-traveling hijinks prevented George and Harold from creating Captain Underpants in the first place! Now, having changed the course of human history forever, they'll have to figure out a way to change it back! 

George and Harold have played a trick or two on nearly everyone at Jerome Horwitz Elementary. When their latest prank causes the school’s cranky cafeteria ladies to quit, Mr. Krupp hires a trio of unusual replacements - who happen to look an awful lot like aliens! Will that curtain-caped crusader, Captain Underpants, save the day once more? Or will those outer space cafeteria ladies have him for lunch? The Captain Underpants series is perfect for listeners of all ages. 

Everyone wants to give their friend Clifford a special birthday present. But the blow-up ball pops, the pinata gets smashed, the sweater is much too small, and the beauty parlor gift certificate just didn't seem right. Finally, Clifford gets the best present of all - his family there to celebrate with him.

Meet Ricky Ricotta, a little mouse with a big problem! Ricky Ricotta lives in Squeakyville with his mom and dad. Ricky has a hard time making friends at school, and the neighborhood bullies are always picking on him. If only Ricky could find someone to be his best buddy and keep those creepy bullies away! Meanwhile, on the other side of town, a mad scientist named Dr. Stinky McNasty has created a mighty robot who is as gentle as he is powerful. Dr. Stinky plans to make the robot destroy Squeakyville, but there's one little thing in his way: Ricky Ricotta!

The second book in Dav Pilkey's mega-best-selling Captain Underpants series, now available in Sound-O-Rama! George and Harold are usually responsible kids - whenever anything bad happens, George and Harold are usually responsible! This time, their latest prank backfires, and they accidentally invent an army of terrifying talking toilets. Luckily, they know a superhero with enough snap in his waistband to save the day! This looks like another job for the amazing Captain Underpants! 

Ricky Ricotta may be small, but he has the biggest best friend around! There's nothing better than being buddies with a giant flying robot. Ricky's mighty robot always gets him to school on time, keeps bullies away, and even helps out with homework. These two friends do everything together! When Mr. Mosquito, a meanie from the planet Mercury, invades Earth with his Mutant Mosquitoes, Ricky and his robot rush to the rescue. But with the mighty robot in deep danger, Ricky will have to be brave on his own to save the day!

How did Clifford become such a big red dog? When Emily Elizabeth brings home her puppy, he's too small for everything. Then, with one simple wish, Clifford begins to grow and grow - and grow! - until he is too big to live in the city. Will Emily Elizabeth have to give up Clifford for good?

 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!  

George and Harold are always good at using their imaginations, and that drives their mean homeroom teacher, Ms. Ribble, crazy! But this time, they’ve come up with much more than a silly prank - they’ve created an actual monster! With her horrendous hairdo and two rabid robots, Wedgie Woman is well on her way to world domination, and only the Waistband Warrior can stop her! The Captain Underpants series is perfect for listeners of all ages. Like the other outrageously funny books by acclaimed author and Caldecott Honor illustrator Dav Pilkey, this adventure is sure to be fun!

Ricky's family is headed to Cousin Lucy's house for lunch - how boring! Ricky and his robot are hoping to have a little fun with Lucy's pet Jurassic Jackrabbits, but when they get there, Lucy makes them play princess with her instead! What could be worse? An invasion of Stupid Stinkbugs from Saturn, that's what! Smelly Sergeant Stinkbug has arrived on Earth with a plan to kidnap its ruler, and Princess Lucy fits the bill. Now it's up to Ricky and his mighty robot to plug their noses and send those stinkers back into space!

Clifford loves to help Emily Elizabeth, but his big red paws break eggs instead of painting them. Luckily, Clifford helps Emily another way - in her dreams! A bucket of Easter-egg dye creates the most colorful Clifford adventure yet, and gets Emily ready for an unforgettable holiday.

It's Christmas time for Emily Elizabeth and Clifford! While they count down the days to their favorite holiday, Clifford gets a tree, a stocking, and a surprise under the mistletoe.

When Emily Elizabeth finds out the circus is in trouble, Clifford jumps at the chance join! But after taming the lions, walking the tightrope and filling in for an elephant, Clifford no longer needs to save the circus -he needs to rescue Emily Elizabeth!

Dr. Brewer is doing a little plant testing in his basement. Nothing to worry about. Harmless, really. But Margaret and Casey Brewer are worried about their father. Especially when they...meet...some of the plants he is growing down there. Then they notice that their father is developing plantlike tendencies. In fact he is becoming distinctly weedy - and seedy. Is it just part of their father's "harmless" experiment? Or has the basement turned into another little shop of horrors?

Ricky Ricotta and his mighty robot always watch out for each other - that's what friends are for! This time, they've managed to mangle the Ricotta family's minivan. Somehow they have to find a way to make up for their mistake. When a mean little Martian named Major Monkey invades Earth, Ricky and his robot race to save the day once more. But Major Monkey has a plan to get rid of Ricky's robot so that no one will be able to stop him! Now it's up to Ricky to rescue his friend and keep Major Monkey from menacing mousekind!