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Dinosaurios espeluznantes pero geniales

Alan Walker (author)

Publisher: Crabtree Publishing Company ISBN: 9781039618848

Meat eaters, plant eaters…stomp through a world of the scariest, largest creatures that walked prehistoric Earth. Learn how paleontologists--dinosaur detectives--uncover the important clues that have revealed what we know about these terrifying animals. Amazing photos and simple text make this book a great high-interest read.

La tecnología antes y ahora

Cynthia O‘Brien (author)

Publisher: Crabtree Publishing Company ISBN: 9781427126580

Read about the invention of certain tools, and how they have been improved over time to become the technology we use today.

¡Descubre dinosaurios!

Crystal Sikkens (author)

Publisher: Crabtree Publishing Company ISBN: 9781427126474

The only way we can learn about dinosaurs is by studying their fossils. Read about how comparing fossils shows us how different dinosaurs moved, what foods they ate, and how they protected themselves.

Fósiles y mamíferos antiguos

Julie K. Lundgren (author)

Publisher: Crabtree Publishing Company ISBN: 9781039689473

Earth was a lot different when dinosaurs were alive. They lived alongside many ancient mammals that can no longer be found. Incredible changes on Earth have left us with fossils that scientists use to learn more about the ancestors of today's mammals.

Fósiles y plantas antiguas

Kelli Hicks (author)

Publisher: Crabtree Publishing Company ISBN: 9781039689480

Earth was a lot different when dinosaurs were alive. Lush, deep forests once grew where we now have frozen oceans and glaciers. Even though there have been incredible changes on Earth, there are some ancient plants that are still living today!

Fósiles y dinosaurios

Julie K. Lundgren (author)

Publisher: Crabtree Publishing Company ISBN: 9781039689497

Earth was a lot different when dinosaurs were alive. Scientists study important clues that were left behind to learn what kinds of dinosaurs lived where, what they ate, and how fast they could run. Even though there have been incredible changes on Earth, there are still dinosaur relatives living today!

Fósiles y animales marinos

Alan Walker (author)

Publisher: Crabtree Publishing Company ISBN: 9781039689503

Earth was a lot different when dinosaurs were alive. Back then, the world's oceans were ruled by large sea monsters. Even though there have been incredible changes on Earth, there are still sea monster relatives living today!

Des dinosaures effrayants mais intéressants

Alan Walker (author)

Publisher: Crabtree Publishing Company ISBN: 9781039608498

Meat eaters, plant eaters…stomp through a world of the scariest, largest creatures that walked prehistoric Earth. Learn how paleontologists--dinosaur detectives--uncover the important clues that have revealed what we know about these terrifying animals. Amazing photos and simple text make this book a great high-interest read.

Mysterious Predictions

Brian Innes, Kathryn Walker (author)

Publisher: Crabtree Publishing Company ISBN: 9781427174673

A popular story tells of President Lincoln predicting his own assassination, but not knowing where or when it would take place. This intriguing new title from Crabtree examines real-life cases where dreams appear to have been predictions of events yet to happen. Scientists and believers in this phenomena explore whether we really can see into the future, or if these happenings are just coincidences.

Mysteries of the Ancients

Brian Innes, Kathryn Walker (author)

Publisher: Crabtree Publishing Company ISBN: 9781427174604

Images in stone like those on Easter Island are part of our historical legacy, but were they inspired by creatures from other planets? This gripping book examines the many myths and legends about the ancient past, searching for and finding facts about fascinating sites that include Stonehenge and the lost cities of Tiahuanaco and El Dorado.

Continents of the World

Toby Reynolds (author)

Publisher: Crabtree Publishing Company ISBN: 9781427121486

This colorful atlas of the world makes it easy for readers to locate specific information such as famous landmarks, festivals around the world, farming facts, food and drink, natural wonders, ancient wonders, and much more. Divided by continents and regions, this engaging book uses maps, images, and a numbering system to present fascinating information, facts, and figures in an easy-to-absorb fashion.

Innovations in Communication

Cynthia O'Brien (author)

Publisher: Crabtree Publishing Company ISBN: 9781427118042

Imagine a world where you had to write letters, mail them at the post office, and wait a week or two for a response. You might not realize that there was once a world without your favorite forms of instant communication. The way you keep in touch with the people around you is because of amazing inventions in communication throughout history! From braille to texting, this title explores the amazing inventors, scientists, and engineers who saw challenges in the way we communicate with each other, and overcame them! With a little inventive thinking, what might you create to help us connect freely with friends and family across boundaries?

Innovations in Everyday Technologies

Larry Verstraete (author)

Publisher: Crabtree Publishing Company ISBN: 9781427118059

You might not realize that there was once a world without microwaves, umbrellas, or elevators! That’s a lot of cold food, wet clothing, and stairs! Luckily, some innovative people have solved problems in everyday technologies throughout history. This title explores the gadgets, structures, and materials that we depend on every single day, and the amazing inventors, scientists, and engineers who dreamed them up! These inventions make things easier in our day-to-day lives. With a little inventive thinking, what might you create to help make our daily lives a little easier?

Innovations in Safety

Cynthia O'Brien (author)

Publisher: Crabtree Publishing Company ISBN: 9781427118066

You might not know there was once a world without bike helmets, seatbelts, and airbags. This title looks at major innovations in safety over the years, and the ingenious inventors, scientists, and engineers who made them. These amazing individuals have saved countless lives by identifying safety hazards in everyday situations, and inventing devices that keep people from getting hurt. With a little inventive thinking, what might you create to help protect people and even save lives?

Innovations in Health

L. E. Carmichael (author)

Publisher: Crabtree Publishing Company ISBN: 9781427118080

You might be shocked to discover how some illnesses and diseases were treated years before medical innovations were made. This book will make you feel lucky that you were born after many safe and successful ways were developed to treat illnesses and save lives. Learn about important innovations made in health care that we now take for granted, and the amazing scientists, inventors, and engineers who developed them. With a little inventive thinking, how could you come up with a way to keep you and your family healthy?

Innovations in Transportation

Larry Verstraete (author)

Publisher: Crabtree Publishing Company ISBN: 9781427118073

Imagine a street filled with horses and buggies, or the skies without airplanes! You might not realize that, before vehicles, it used to take days—even weeks—to visit friends or family! This title looks at major innovations in transportation over the years, and the ingenious inventors, scientists, and engineers who made them. With a little inventive thinking, what might you create to help us change the way we travel?

Human-made Disasters

David West, Steve Parker (author)

Publisher: Crabtree Publishing Company ISBN: 9781427197610

Human negligence, engineering miscalculation, mechanical failure - human activity has been responsible for some of the gravest harm to people and the world. Thirteen famous disasters are featured is this fascinating book. Each one became well-known for the unique scientific process that led to the destruction, as well as for the structural changes and safety measures proposed in its aftermath. Topics include the Chernobyl nuclear meltdown, the sinking of the Titanic, the Russian submarine Kursk explosion, the Tacoma Narrows suspension bridge collapse, the Hindenburg airship explosion, and the Twin Towers collapse.

Natural Disasters: Moving Earth

David West, Steve Parker (author)

Publisher: Crabtree Publishing Company ISBN: 9781427197627

The natural forces of planet Earth have been responsible for some of the world's greatest devastation, such as the earthquakes and tsunamis in Japan in 2011 and the Indian Ocean in 2004. Thirteen kinds of disasters are featured in this amazing book, showing the process and science of each disaster from the action that triggered it to its dire consequences. Topics include volcanoes, earthquakes, tsunamis, avalanches, landslides, and mudslides.

Velociraptor

Karen Carr, Gerry Bailey (author)

Publisher: Crabtree Publishing Company ISBN: 9781427197115

This book tells the story of the Velociraptor, a lightweight dinosaur who used its speed to catch prey. It was only three feet (one meter) tall, but was feared for its ferocious hunting ability. It used a sickle-shaped claw on the second toe of each foot as a deadly weapon and could reach speeds of up to 37 miles (60 kilometers) per hour when chasing prey.

Dinosaur Shapes

David West (author)

Publisher: Crabtree Publishing Company ISBN: 9781427193230

Count the circles on Billy's bike as he tries to catch up to his pet Hypsilophodonts. Kids will enjoy looking for shapes in this entertaining book that puts kids and dinosaurs together in everyday situations.

Dinosaur Alphabet

David West (author)

Publisher: Crabtree Publishing Company ISBN: 9781427193209

"A is for Alioramus." Dinosaur fans will love this simple book featuring a dinosaur name (and pronunciation) or dinosaur-related word for each letter of the alphabet.

The Mystery of Atlantis

Brian Innes, Kathryn Walker (author)

Publisher: Crabtree Publishing Company ISBN: 9781427174680

More than 2,300 years ago, the Greek philosopher Plato wrote about a glorious ancient city that sank without trace beneath the waves. Ever since that time people have wondered where this lost city, Atlantis, might be and whether it actually existed. Students will thrill as they learn about the different theories of, and search efforts for, this mythical city.

Sabre-tooth Tiger

Trevor Reaveley, Gerry Bailey (author)

Publisher: Crabtree Publishing Company ISBN: 9781427197054

This book tells the story of the powerfully built Sabre-tooth Tiger who stalked the land more than 10,000 years ago. It was like no cat living today. At the front of its jaw grew two long, curved canine teeth that resembled two sharp sabres. A fierce predator, it used these long teeth to pierce the flesh of its prey.

Ankylosaurus

Adrian Chesterman, Gerry Bailey (author)

Publisher: Crabtree Publishing Company ISBN: 9781427197016

This book tells the story of Ankylosaurus. This armored beast looked like a walking tank. It lived during the Cretaceous period between 100 and 65 million years ago and fed on plant material. At the end of its tail grew a bony club that it used to protect itself.

Tyrannosaurus Rex

Karen Carr, Gerry Bailey (author)

Publisher: Crabtree Publishing Company ISBN: 9781427197108

This book tells the story of the mighty Tyrannosaurus, which lived during the Cretaceous period between 140 and 65 million years ago. This ferocious dinosaur was one of the largest meat eaters, growing up to 40 feet (12 meters) in length. Its head was huge and full of long, sharp teeth.