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Ecosystems are fragile. They are not only dependent on whether certain resources are available, but on how much of these resources are present. This book will explain ecosystems in detail including its role in sustaining life on Earth. It will also touch on changes that can disrupt the fragile balance and what you can do to counter or avoid the negative effects of these changes. Start reading today.

Use this book to better see the world. Travel through its continents, oceans and hemispheres. Learn some interesting facts, especially information on their similarities and differences. Study carefully the cultures and traditions in different regions of the Earth, too. Knowledge on geography and culture will make you realize how diverse the world is. Grab a copy today.

You may thing that rocks remain the same regardless of time because they are non-living. You are wrong. Rocks also undergo a cycle which is influenced by the processes on the Earth's surface. This book will teach you about the rock cycle. At the end of this book, you should know which among the three types of rocks came first: the igneous, metamorphic or sedimentary?

In an ecosystem, organisms interact with one another and their environment. This means that an imbalance could easily topple an entire ecosystem. Therefore, it is important that there is a thorough understanding of what an ecosystem is, its inhabitants and organization levels, and what you can do to protect it. Read, learn and do your part in keeping an ecosystem healthy.

My Gratitude Journal is an inspirational guide to creating a positive approach to the pursuit of happiness. The act of writing down three simple things each day, over a period of 52 weeks, establishes a state of mindfulness that supports and reinforces the Law of Attraction. Writing down three simple gratitudes every morning can help ensure that each day starts with positivity, and it can help to attract positivity from others. Concentrating o...

Read about the life and times of Mark Twain. Learn about the major events in his life, which have inspired him to write youthful adventures. How did Mark Twain grow to have such a wild imagination? Reading about the life of someone in the past will also reveal the socio--economic conditions prevalent at the time. Go ahead and secure a copy today.

When conducting experiments and research, it is important to keep a visual of your results. In this book, you will learn about the different ways of displaying accurate data. In particular, you will learn about the differences between charts, graphs and drawings. When should you or should you not use each? Start reading today.

This Baby Professor book explains the laws of motion in terms that are appropriate for fourth graders. Energy, and its forms, as well as motion will be sufficiently defined to ensure understanding as the lesson progresses. Contact and field forces like friction, gravity and magnetism are also discussed. Physics sure is easy to understand when you have books like this around!

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A Chinese New Year is a children's Picture book narrating a young girls heroic journey to discover the origins of Chinese New Year & Lion dance. Telling the folklore story of the beast of Lunar New Year Nian.Come find out the story of how Sophie & Kevin defeat the New Year monster Nian.

Can you measure matter? Apparently, you can, and this book will show you how. Learn to measure matter using dimensions, weight, and volume. Classify objects based on these common properties next. This will be an exciting book to read and study. Grab a copy, read and don't forget to take notes, too!

There are simple machines all around you. Some may look exactly what they are while others have been built to be a little more complex. In this book, you will learn about the science behind simple machines and how they are affected by force and motion. You will also read about the incline plane, the lever, the pulley, the screw, the wedge, and the wheel and axle.

Countries around the world are adopting policies that save and conserve the environment. Five of these countries will be discussed in this learning book for fourth graders. The purpose of this book is to encourage other countries to adopt similar, or even better, policies. Educating the youth that it's possible to save the environment gives them the theoretic background for a lifetime of decisions and positive actions.

When conducting any scientific inquiry, questions should be empirical and unbiased. This book teaches you questioning strategies when conducting a scientific investigation. These methods have been tested and proven by inventors and scientists for centuries. Read to learn from this children's science education book. Don't forget to get a copy today.

By reading this book, your child will learn to identify, by sight and sound, the instruments from the brass, string, woodwind, and percussion families. The discussion will be furthered by a discussion of each of the musical families, as well as the identification of instruments that belong to each. What an exciting reading material this book is! Grab a copy today.

In an effort to quell rebellion and at the same time boost the king's coffers, the Townshend Acts was introduced to the colonies. Little did the British Parliament know that the said Acts would make the colonists angrier. Read about the effects of the Acts and how they led to the Boston Massacre. Do you think the colonists' response was justifiable? Did the British underestimate the colonists?

This book is all about the sun - Earth's only source of light and energy. Dive into the pages and read about fun facts about our solar system's star. Read about its composition, location, and its effects on Earth. Do you think the sun only brings goodness to Earth's inhabitants? You'll be surprised to learn that's not always the case! This book concludes with information on the sun's negative effects.

Mercy Otis Warren was a brave and brilliant woman. She used her writing prowess to fight in the US revolutionary period. This biography book is dedicated to the life and times of Mercy Otis Warren. What lessons can your child take away from her unique story of bravery? Go ahead and secure a copy of this biography book today.

As an American, you have laws and responsibilities. Do you know what they are? This book will talk about the origin of the laws that dictate your rights and responsibilities as a citizen of your country. It will also include information on how you can be a good citizen. Do you think you can follow the tips mentioned in this book?

During the American Revolutionary War, allies proved to be very important. The fighting factions were bonded by common enemies and goals. The Native Americans allied with the British while the colonists fought alongside the French. This is what happened during the Battles of Kaskaskia, Cahokia and Vincennes. Read this book to understand what came with the allegiance on each side and who won during the earlier mentioned battles.