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Millions of years ago, Quetzalcoatlus was once the biggest flying creature on Earth. With a wingspan the size of a small plane and a neck as tall as a giraffe, this flying reptile once soared over the land. Now, it captures the interest of readers. Take...

With strong flippers and shark-like teeth, Mosasaurus once ruled the oceans. This sea reptile used to swim all over the world. Now, it captures the interest of readers. Take struggling and reluctant readers on a journey exploring this Cretaceous marine...

Millions of years ago, Giganotosaurus was an eating machine. With ridged teeth and sharp claws, it once hunted herbivores even bigger than itself in swampy lands. Now, this big and fast carnivore captures the interest of readers. Take struggling and...

With a short bill to scoop up food, the bird-like Gallimimus once sprinted across the land on two legs. At top speeds, it was too quick for carnivores to catch. Now, this light and fast dinosaur captures the interest of readers. Take struggling and...

Millions of years ago, Spinosaurus was one of the largest dinosaurs around. With a distinctive large sail and crocodile-like snout, it once prowled the deep waterways for large fish and sharks. Now, this huge predator captures the interest of readers...

With a whip-like tail and equally long neck, Diplodocus was once called the "longest dinosaur." It could whip its tail at supersonic speeds, sending meat-eaters scurrying away in fear. Now, it captures the interest of readers. Take struggling and...

As one of the most famous long-necked dinosaurs, the giant Brachiosaurus shook the ground with every slow-moving step. This huge sauropod once lived in herds and ate a ton of plants to sustain its incredible body size. Now, it captures the interest of...

Millions of years ago, Allosaurus was a fearsome giant predator. With sharp claws and knife-like teeth, it once chased down young sauropods and Stegosauruses to eat. Now, this large carnivore captures the interest of readers. Take struggling and...

Taekwondo is "the way of the hand and foot." Striking with precision and speed, this martial art is mostly used for self-defense, though competitions can be a thrill to watch. Both casual fans and aspiring athletes will read about the dedication and...

A whistle blows. Two wrestlers grab each other in tight holds. One twists and the other turns. Then one quick move and bam. A takedown! A wrestling match is a thrill to watch and one of the world's oldest combat sports. Both casual fans and aspiring...

Punch, punch, spin and kick! Kickboxing is an intense workout that works both the mind and body. Combining both boxing and kicking elements, this sport is mostly used for self-defense, though fighters can use competitions to level up. Both casual fans...

Karate takes focus and stamina. Each move is done with strength and precision. Powerful strikes and kicks are a thrill to watch but sparring in this open-hand sport takes time and practice to learn. Both casual fans and aspiring athletes will read about...

Ding! Round one begins and the fighters start swinging. Jab, uppercut, and then wham. Knockout! Boxing bouts are a thrill to watch and this high-interest book packs a powerful punch for sport fanatics. Both casual fans and aspiring athletes will read...

Two martial artists trade strikes. There's intense grappling, hard punches, and then bam. The fighters are down on the mat, and one taps out. A new champion is made! An MMA, or mixed martial arts, fight is a thrill to watch and this high-interest book...

The Bermuda Triangle is an area in the Atlantic Ocean where ships and planes have disappeared without explanation. Why do things disappear at the Bermuda Triangle? Spike elementary-aged readers' curiosity with questions and answers about the...

The Bermuda Triangle is an area in the Atlantic Ocean where ships and planes have disappeared without explanation. Why do things disappear at the Bermuda Triangle? Spike elementary-aged readers' curiosity with questions and answers about the...

ESP stands for extrasensory perception. Some people claim they can see into the future or talk to the dead. Can someone really have a sixth sense, or is it a myth? Spike elementary-aged readers' curiosity with questions and answers about the...

ESP stands for extrasensory perception. Some people claim they can see into the future or talk to the dead. Can someone really have a sixth sense, or is it a myth? Spike elementary-aged readers' curiosity with questions and answers about the...

Atlantis is a city that myths say sank to the bottom of the ocean. Does the lost city of Atlantis really exist? Spike elementary-aged readers' curiosity with questions and answers about the high-interest topic of Atlantis. "Did You Know" facts and...

Atlantis is a city that myths say sank to the bottom of the ocean. Does the lost city of Atlantis really exist? Spike elementary-aged readers' curiosity with questions and answers about the high-interest topic of Atlantis. "Did You Know" facts and...

Area 51 is a classified military base in the United States where the government does research on aircraft. Many people believe that there are UFOs within the base. What really happens in Area 51? Spike elementary-aged readers' curiosity with questions...

Area 51 is a classified military base in the United States where the government does research on aircraft. Many people believe that there are UFOs within the base. What really happens in Area 51? Spike elementary-aged readers' curiosity with questions...

Get kids ready to serve up a win on the tennis court! What gear do I need? And how does the scoring work? Conversational questions and answers share what kids can expect when they join tennis, including types of tennis strokes, tournaments, and how to...

Get kids ready to serve up a win on the tennis court! What gear do I need? And how does the scoring work? Conversational questions and answers share what kids can expect when they join tennis, including types of tennis strokes, tournaments, and how to...

Get kids ready to chop, block, and grapple in the dojo! What age can you start martial arts? And which style is best for a beginner? Conversational questions and answers share what kids can expect when they join martial arts, including what to wear, what...

Get kids ready to chop, block, and grapple in the dojo! What age can you start martial arts? And which style is best for a beginner? Conversational questions and answers share what kids can expect when they join martial arts, including what to wear, what...

Get kids ready to run, throw, and score on the field! But how do you catch and throw with a stick? And what does it mean to "cradle" the ball? Conversational questions and answers share what kids can expect when they join a lacrosse team, including what...

Get kids ready to run, throw, and score on the field! But how do you catch and throw with a stick? And what does it mean to "cradle" the ball? Conversational questions and answers share what kids can expect when they join a lacrosse team, including what...

Get kids ready to spin and jump on the ice! But first, how do you learn to figure skate? And who will be my coach? Conversational questions and answers share what kids can expect when they join a figure skating class or club, including what gear to...

Get kids ready to spin and jump on the ice! But first, how do you learn to figure skate? And who will be my coach? Conversational questions and answers share what kids can expect when they join a figure skating class or club, including what gear to...

Get kids ready to jump around and cheer! Where do cheerleaders perform and what kind of arm movements will I learn? Conversational questions and answers share what kids can expect when they join a cheerleading squad, including what gear to pack, some...

Get kids ready to jump around and cheer! Where do cheerleaders perform and what kind of arm movements will I learn? Conversational questions and answers share what kids can expect when they join a cheerleading squad, including what gear to pack, some...

Get kids ready to bend and twirl! Where do ballet dancers practice? And what should you wear to class? Conversational questions and answers share what kids can expect when they join a ballet class, including what shoes to pack, basic ballet positions,...

Get kids ready to bend and twirl! Where do ballet dancers practice? And what should you wear to class? Conversational questions and answers share what kids can expect when they join a ballet class, including what shoes to pack, basic ballet positions,...

Rope it in, partner! Tie-down roping is a men's rodeo event performed in rodeo competitions across the United States. Explore how cowboys and their horses work together to rope calves in this inquiry-based nonfiction book. Capture the attention of...

Rope it in, partner! Tie-down roping is a men's rodeo event performed in rodeo competitions across the United States. Explore how cowboys and their horses work together to rope calves in this inquiry-based nonfiction book. Capture the attention of...

Rope it in, partner! Team roping is a two-person timed rodeo event performed in rodeo competitions across the United States. Explore how cowboys and cowgirls work together to rope steer in this inquiry based nonfiction book. Peak the interest of...

Rope it in, partner! Team roping is a two-person timed rodeo event performed in rodeo competitions across the United States. Explore how cowboys and cowgirls work together to rope steer in this inquiry based nonfiction book. Peak the interest of...

Hop on your horse! Steer wrestling is a fast-paced timed rodeo event performed in rodeo competitions across the United States. Explore how cowboys and girls race alongside and wrestle steer in this inquiry based nonfiction book. Engage elementary-aged...

Hop on your horse! Steer wrestling is a fast-paced timed rodeo event performed in rodeo competitions across the United States. Explore how cowboys and girls race alongside and wrestle steer in this inquiry based nonfiction book. Engage elementary-aged...