Los ciclos de vida de los anfibios (Amphibian Life Cycles)

Life on Earth depends on carbon. In fact, about 18.5 percent of a human body's mass is carbon. How carbon is taking in and given off through animals' breathing, the burning of fossil fuels, and more can be shown in the model known as the carbon cycle. Though this concept can be confusing, all readers have a chance to understand this concept through the text and simple diagrams in this book. Both struggling readers and those looking for review can find the most important components and vocabulary of the carbon cycle in low-level, accessible text.

There are thousands of species of bees, and not all are yellow and black. However, the telltale yellow and black of the honeybee and bumblebee are the best known. Beginning readers explore the world of bees and find out what keeps them busy all day. From flying from flower to flower to making honey, the details in this book are both familiar and new to curious future entomologists. Full-color detailed photographs complement the low-ATOS text, making it the perfect addition to any early elementary library or classroom.

Es una increible aventura que te transportara al Antiguo Egipto, una de las civilizaciones mas misteriosas que han existido en la Historia. Laila, Alex y Guiomar te ayudaran a descubrir algunos enigmas de ese mundo fabuloso. Quieres ir con ellos ? Te gustaria conocer el poder magico de los antiguos egipcios ?

When the Louisiana Territory was added to the United States in 1803, it about doubled the size of the young nation. It took years to clarify its boundaries and explore every square mile. How this momentous purchase came to be and its implications on the future of the United States are explained in detail in this book. Uncomplicated maps and simple language help developing readers and those in need of review to understand the many changes in this land that started with its purchase in 1803.

Thomas Edison is considered by many to be one of the greatest inventors of all time. His creations changed the world, but there was more to his life than just his inventions. Readers of this engaging volume will learn all about the man behind the innovations. This fascinating biography introduces important subjects and encourages a further interest in history. Concise and accessible text paired with vibrant photographs is sure to captivate audiences of many ages and levels.

A K-pop band like no other, EXO have been dominating charts and stealing hearts since they debuted in 2012. This unofficial biography tells their extraordinary story. Extensively researched, this book weaves in the backstories of each of the nine individual members with the story of the band as a whole.