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! 

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.

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.

Like it or not, global warming is a hot topic, and it will affect the younger generation the most. So why not turn to the teacher kids like the most, Ms. Frizzle! Only the Friz can boil all the hoopla down to the scientific facts in a fun and informative way. Kids already love the Magic School Bus, and the love to do what's right by the planet. At last, a way to teach the curriculum and make an impact!

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!

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! 

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.

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! 

 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!  

Today is Ricky's birthday, and it's off to a great start! After peanut-butter pancakes and presents, Ricky's parents are taking him and his mighty robot to see dinosaurs at the museum. And they have a surprise for Ricky: His cousin, Lucy, is coming with them! Ricky thinks Lucy is a real pest. Suddenly, things aren't looking so sunny anymore. At the museum, there is another surprise in store. General Jackrabbit, an evil genius from the planet Jupiter, is jumping for joy! He has just created three Jurassic Jackrabbits to help him take over Earth. 

Ricky Ricotta loves his mighty robot. They do everything together, but it's sometimes hard for a small mouse to have such a big buddy! If only the mighty robot could find someone his own size to play with, Ricky might finally have some fun by himself. Little does Ricky know, his wish is about to come true. Evil Uncle Unicorn has a top-secret plan to trap the mighty robot so that he can take over Earth, and he's got a giant surprise in store. Once again, it's up to Ricky to save the planet - and his best friend!

Ricky and his mighty robot have built the coolest fort Squeakyville has ever seen, and they can't wait for the fun to begin! But then Cousin Lucy arrives with her pets and plans to turn it into a princess castle - what a party pooper! Things completely fall apart when Nimrod Nightcrawler, a wicked worm from the planet Neptune, digs a tunnel under Ricky's fort, trapping the mighty robot. Now it's up to Ricky and Lucy to put a stop to this nightmare - and save their friend!

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!

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!

At last - here from the team behind the beloved international best seller comes a companion to Goodnight, Goodnight Construction Site. All of our favorite trucks are back on the construction site - this time with a focus on team-building, friendship, and working together to make a big task seem small!

Ricky and his Mighty Robot have made a mess. They've been mean to Cousin Lucy, and now they must make it up to her. But their surprise present for Lucy turns into a trap when President Penguin from Pluto plots to take over Earth. President Penguin is peeved because Pluto is no longer considered a real planet. Now he plans to make things very unpleasant for anyone who stands in his way. Can Ricky, Lucy, and their friends defeat this tiny terror and keep Squeakyville safe?

Caldecott Honor artist David Shannon captures the chaos that follows an unexpected downpour in this engaging story.

Ever wish you had a flying robot for a best friend? Wouldn't it be great to have a robot so big and powerful that nobody would ever mess with you again? Friendly robots can be fun! But with giant friends come giant responsibilities. In this book, the evil Victor Von Vulture and his army of Voodoo Vultures from Venus are about to take over planet Earth. Only the super-smart tricks of Ricky and his mighty robot can send the bad guys packing for home!  

Although it's a smelly task for those who have to constantly bathe him, Roy's happiness centers on his very favorite thing - dirt - and from sunrise to sunset, he burrows in it, rolls in it, and digs up buried treasures. There's terror in every terrier, and when Roy runs into the house after being sprayed by a skunk, he faces the dreaded bathtub.  

Just when you thought it was safe to flush, the Turbo Toilet 2000 strikes back! The carnivorous commode known for devouring everything in its path has built up a real appetite...for revenge! Luckily, the fate of humanity is once again in the hands of George and Harold and their annoying nemesis Melvin Sneedly. Will Wedgie Power prevail? Or will the amazing Captain Underpants be flushed away forever?