La regla mola (si sabes cómo funciona)

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.

There are one, two, three, four, five dogs to walk. But there is only one dog walker. Collect data on dogs, their leashes, and their names! This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning how to collect data easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section provides...

Esta vez Lyna se enfrentará a una rival hecha exactamente a su imagen y semejanza, alguien que quiere acabar con ella. ¿Podrá con ella? Lyna está disfrutando muy tranquila de unos días en Tembleque, junto a su Meli, la abuela Rita y Dani, sin saber que un peligro la acecha. Desde un universo paralelo, llega al pueblo un extraño personaje que quiere ocupar su lugar y eliminarla para siempre. ¿Podrán descubrir el peligro a tiempo? ¿Lyna será capaz de derrotar a su rival o desaparecerá de este universo? Acompaña a tus personajes favoritos en esta intrigante aventura.

"Amelia Earhart was a woman of many ""firsts."" In 1932, she became the first woman to fly solo across the Atlantic Ocean. In 1935, she also became the first woman to fly across the Pacific. From her early years to her mysterious 1937 disappearance while attempting a flight around the world, readers will find Amelia Earhart's life a fascinating story."