HarperCollins

Everyday activities such as sharing a meal, sorting socks, and getting ready for school can be part of learning math. In the MathStart series, ever...

Josh is the best collector on the block. And now he has something new to collect - rocks! Soon Josh and his best friend, Amy, have so many rocks th...

It's hard work, taking care of 5 little ducks. But when each little duck comes home with a friend -- oh, no! Now it's double the ducks and double t...

Earth Day is on the way, and Ryan, Luke, and Carly have a plan. If they manage to collect and recycle 5,000 aluminum cans, they can make enough mon...

When the elevator goes down, the subtraction starts and so does the magic. Ben sees crazy things everytime the door opens. Ride along as he subtrac...

Sleepyheads will wish they had Sammie the dog to hurry them along in their morning routines. Read along as Sammie builds colorful time lines to kee...

Stuart J. Murphy travels all over the UnitedStates talking to thousands of kids. And you'll never believe what they talk about: MATH! Stuart shows ...

Poor tiny Birdie has no house. But Birdie does have friends. Spike, Queenie, Goldie, and Fidget want to help Birdie find a house of his own. Birdie...

Book DescriptionPublisher: HarperCollinsAuthor: Stuart J. MurphyISBN: 9780060557690Pages: 40Format: PaperbackDimensions: 10 x 8 inches

Jack stacks up blocks high. Two make a robot, five make a boat, and fifteen make...whatever you can imagine! Math becomes child's play as young rea...

Kangaroo is back! In this story he and his friends at camp divide into halves, thirds, and fourths to form teams at field day. Readers will cheer o...

Stuart J. Murphy travels all over the UnitedStates talking to thousands of kids. And you'll never believe what they talk about: MATH! Stuart shows ...

Four kids and their sidekick, Petey the Parrot, run a lemonade stand whose patrons include all kinds of wacky neighbors-even a juggler. They create...

Perry the Penguin needs 9 clams to buy an ice scooter -- but he's not very good at saving. As Perry earns, spends, finds, loses, and borrows clams,...

Book DescriptionPublisher: HarperCollinsAuthor: Stuart J. MurphyISBN: 9780064467377Pages: 40Format: PaperbackDimensions: 9.8 x 0.1 x 8 inches

Shopping, counting, and a birthday present all add up to a surprise ending on Mall Mania Day! A lighthearted look at addition strategies Editorial ...

Maddie's room is a mess. Maddie's toys are everywhere. And Maddie has to clean them up before her birthday party starts. This looks like a job for ...

Missing Mittens Every animal on Farmer Bill's farm is missing one mitten. Readers can investigate odd and even numbers as they unravel this mitten ...

Book DescriptionPublisher: HarperCollinsAuthor: Stuart J. MurphyISBN: 9780064467308Pages: 40Format: PaperbackDimensions: 9.8 x 0.1 x 8 inches

Is your age more than 5? Is it less than 10? Eddie's got to guess. And he doesn't want to be wrong! Eddie has a booth at the school fair, guessing ...

Nothing goes right for Jack all day long. He can't find his favorite sneakers, he spills milk on his math homework, and worst of all, he gets tuna ...

At Rabbit's pajama party everyone is eating pizza, telling scary stories, and curling up in their sleeping bags. And what these friends do first, n...

It's a long way around Perimeter Path! Mike's brother and sister say he's too young to compete in the 15-kilometer bike race. But if Mike just gets...

Frog friends, Matty and Moe, are off with a "Ready, Set, Hop!" They both made it to the rock, but who's in the lead? If Matty hopped 5 hops and Moe...