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Este libro se trata del gran ciclo de la Cuenta Larga y la profecía del fin de ciclo : - el apogeo de la Cuenta Larga durante los 400 años del Baktún 9, la invención del cero - el origen de la profecía del fin de ciclo y las fechas que contradicen esta profecía. - el estudio de la estela de Tortuguero, conocido para anunciar el fin de ciclo del calendario maya. - por último, el Baktún 10 y los principios de las Cuentas Cortas Es la segunda parte de la serie "Los calendarios mayas", que trata de los principales calendarios mayas y del gran ciclo del calendario maya. El precedente libro ...

Through bright images, charts and graphs, and informational text, this Spanish-translated nonfiction title provides readers with enlightening facts about what it takes to work in this exciting and unique profession. Featuring a glossary of terms, an index, a list of helpful websites, and an interview with a real-life deep-sea fisher, children will be engaged from cover to cover!

After Texas joined the United States in 1845, Texas began to form its own identity. This new identity centered on the rise of the Texas cattle industry and the growing legend of the Texas cowboy. Readers will discover what cowboy life was like in the early days of Texas history as they make their way through this exciting Spanish-translated book! Readers will learn about Texas cowboys, cattle trade, antebellum, the Battle of Fort Sumter, and more through vivid images, easy to read text, and numerous intriguing and engaging facts. A glossary, table of contents, and index is provided to aid in...

Explains, in simple terms, the reasons for skin color, how it is determined by heredity, and how various environmental factors affect it.