Prehistoric Animals Break Into Us Parks

Markie is a regular ten-year-old boy who has a normal life. That is until he uses his dad's time opener and accidentally blows it up, leaving the US parks vulnerable to prehistoric and extinct animals. Fortunately, Markie forms a team that deals with the animals, which has him, his friends, and some new companions in it. Now they go on their first adventure to New Mexico to deal with an animal called an Ambulocetus. But will Markie and the group be able to deal with it all by themselves?

Markie is a regular ten-year-old boy who has a normal life. That is until he uses his dad's time opener and accidentally blows it up, leaving the US parks vulnerable to prehistoric and extinct animals. Fortunately, Markie forms a team that deals with the animals, which has him, his friends, and some new companions in it. Now they go on their first adventure to New Mexico to deal with an animal called an Ambulocetus. But will Markie and the group be able to deal with it all by themselves?

The call coming from the Dakota Grasslands summons the watchers when sail-back reptiles are noticed there. While doing their usual routine in this mission, they are unexpectedly attacked by those sail-back reptiles and some other animals. With these various attacks in different places, the team starts to suspect and wonder if an unknown foe is behind this. They end up in a showdown and discover who the villain really is. How will they be able to foil the plot of this new enemy?

When Markie and the team are called to the High Schells Wilderness in Nevada, they think that the situation is going to be easy. But when they get confronted by predatory dinosaurs and get trapped in another time, things change. They now all have to survive and wait until a solution appears. This will be quite an adventure for the watchers and the 5Ds.

In this adventure, Markie and the team are heading for California. In the San Bernardino National Forest, there is trouble brewing. Saber-toothed tigers and giant short-faced bears are creating great havoc. They are really dangerous and put the team in extreme situations. However, things are not what they seem. An unseen figure is watching the team's movements and is doing whatever it can to hinder their efforts in succeeding in this mission. What could possibly happen?

In this adventure, Markie and the team are heading for California. In the San Bernardino National Forest, there is trouble brewing. Saber-toothed tigers and giant short-faced bears are creating great havoc. They are really dangerous and put the team in extreme situations. However, things are not what they seem. An unseen figure is watching the team's movements and is doing whatever it can to hinder their efforts in succeeding in this mission. What could possibly happen?

What is it like to come face-to-face with the ten-foot-tall terror bird? Or stare into the mouth of the largest meat eater ever to walk the earth? Can you imagine a millipede that is more than six feet long, or a dinosaur smaller than a chicken? In this “actual size” look at the prehistoric world, which includes two dramatic gatefolds, you’ll meet these awe-inspiring creatures, as well as many others.

When students study prehistoric mammals, they get a glimpse at a world that existed millions of years ago. This volume provides many learning opportunities for readers who are interested in the animals that roamed the planet so long ago. It explores 10 prehistoric mammals, including the beloved woolly mammoth, woolly rhino, and Smilodon, and covers fascinating facts about them through manageable language that’s designed for young readers. Each mammal is depicted through a dazzling full-color graphic. A glossary and timeline helps reinforce the topics presented in the text.