La tumba tenebrosa

Aprende y Descubre La Ciencia Co mo crece una semilla Co mo puede una pequen a bellota crecer hasta llegar a ser un gran roble? Este libro nos ensen a los secretos de las semillas. Le elo y aprendera s a transformar un sobre de semillas en un precioso jardi n.

How many hockey sticks are there? How many hockey players? Beginning readers will enjoy learning to count cardinal numbers with this brightly illustrated Spanish book! Featuring vivid images and easy-to-read text, this full-color book develops students' math and reading skills and introduces them to early STEM themes. The Math Talk section includes questions that will increase understanding of basic math and reading concepts and develop students' speaking and listening skills. Learning to count is fun and easy with this engaging text!

Having a job and earning money are a part of everyday life for most people, especially adults. The concept seems fairly straightforward: one works to earn. This volume discerns the difference between a job and a career, as well as how a job can develop into a career. Readers will learn why a community's economy needs jobs, how paying someone to do a job helps the person who is paying them, and even about job loss and its consequences. The text also explains different jobs and their effects on the economy, such as those of professional, production, arts, and government and military jobs.

Inspirándose en el gran astrónomo y divulgador Carl Sagan, Fernando J. Ballesteros y Bartolo Luque reúnen en este volumen quince pequeños ensayos destinados a despertar en los lectores el mismo estímulo y fervor que despertaron en ellos los de su modelo. Con sencillez, amenidad y rigor, 10.000 AÑOS MIRANDO ESTRELLAS (título que hace referencia a los testimonios más antiguos de esta actividad del hombre sobre la Tierra) aborda los asuntos del cosmos que sin duda llaman más la atracción del lector actual: la composición y el origen del universo, los agujeros negros, el comportamiento ...