'Rain, rain, go away' is a phrase we often hear, but readers may change their minds when they lea...

How much do you know about Canadian figure skating history?The Almanac of Canadian Figure Skating...

A comprehensive and painstakingly researched encyclopedia of the oldest international figure skat...

A comprehensive encyclopedia of the World Figure Skating Championships.

What if the goddess of war met her match?

What if a soldier and a civilian wanted to escape from Ares' army?

Sometimes called high-frequency words or sight words, heart words are those that new readers have...

Think about the human body: It wouldn't work without the brain. It wouldn't function without the ...

Playing a game of 'Would You Rather?' is a popular pastime for the old, young, and everyone in be...

A lot of emphasis in science is placed on the how and the why: How is energy created? Why does th...

What if you could travel back in time to Athens or Victorian England? It would be amazing--but al...

This decodable volume for new readers aims presents a story all about what kids are able to do! I...

Trying to decode the word 'they' would sound silly to someone who already knows the word! That's ...

Images of unicorns have been found from cultures as far back as ancient Mesopotamia! They were in...

What if you could travel back in time to Athens or Victorian England? It would be amazing--but al...

In many Norse myths, trolls are monsters that don't like people! How does this match up with Popp...

Top predators have adaptations that help them hunt. Cheetah's bodies are made to go fast. This in...

Trying to decode the word 'they' would sound silly to someone who already knows the word! That's ...

Planning a trip to ancient Egypt would probably lead to culture shock for modern people. It didn'...

Of the three main states of matter, gases can be the hardest for students to understand--mostly b...

When people talk about energy, they often discuss where energy comes from, whether that be fossil...

Seeing a wolf bare its teeth is a frightening sight! They teeth look sharp and menacing--and work...

Think about the human body: It wouldn't work without the brain. It wouldn't function without the ...

Let's plan a trip to the past using this essential time-travel guide! Get ready to visit the temp...

Are pee and rain similar? Both flow, they take the shape of the container they're in--from a rain...

Planning a trip to ancient Egypt would probably lead to culture shock for modern people. It didn'...

Few people climb Mount Everest and even fewer explore the Mariana Trench in the Pacific Ocean. Bu...

Are fairies mischievous or sweet? Do unicorns help heal? Where did myths about giants come from? ...

Let's plan a trip to the past using this essential time-travel guide! Get ready to visit the temp...

What would it be like to visit ancient Chichén Itzá? Time-traveling there would be a shock to mod...

Cheetah's bodies are made to go fast. This includes their curved, somewhat retractable claws. The...

Are pee and rain similar? Both flow, they take the shape of the container they're in--from a rain...

What do poop and plastic have in common? At first thought, it doesn't seem like much! But it all ...

What do poop and plastic have in common? At first thought, it doesn't seem like much! But it all ...

Frigid cold or sweltering heat--which is more bearable? That's the fascinating choice in this ima...

A grown lion has teeth that can be up to 4 inches long! These are the canines, the teeth that are...

Few people climb Mount Everest and even fewer explore the Mariana Trench in the Pacific Ocean. Bu...

Cheetah's bodies are made to go fast. This includes their curved, somewhat retractable claws. The...

Life during the Stone Age couldn't be more different than life today! It would tough to time-trav...

No game of 'would you rather?' is complete without weighing a choice between two unusual foods. T...

What if you could time-travel back over 3,000 years to visit the fascinating Shang dynasty in Chi...

What would it be like to visit ancient Chichén Itzá? Time-traveling there would be a shock to mod...

Victorian England is nothing like the London of today, or any other modern city! But wouldn't it ...

Polar bears have supersharp, curved claws that can be 2 inches long. Polar bears use their claws ...

No game of 'would you rather?' is complete without weighing a choice between two unusual foods. T...

Life during the Stone Age couldn't be more different than life today! It would tough to time-trav...

While it's fun to read about animals, imagining living alongside them and even interacting really...

What if you could time-travel back over 3,000 years to visit the fascinating Shang dynasty in Chi...