Betsy Ross

La colección Cuadernos de Naturaleza está pensada para jóvenes lectores amantes del reino animal, capaces de procesar datos y curiosidades sobre sus animales preferidos. Dinosaurios presenta un estudio de los grandes pobladores de la Tierra hace millones de años a través de sus fósiles con todo tipo de datos, anécdotas, preguntas y respuestas.

Planck consideró como tarea científica suprema la búsqueda de las leyes que rigen el absoluto, el invariante oculto en la realidad externa. Le cupo el privilegio de descubrir uno de esos elementos universales: el quantum de acción, la constante h.

Roberto Clemente is remembered as a one of the greatest baseball players who ever lived, but more than that, he was also a man who believed in equality for all. Readers will learn about his incredible life in this inspiring, Spanish-translated nonfiction biographical title. Children will enthusiastically want to learn all they can about Roberto's amazing life as the first Puerto Rican in major league baseball through vibrant images, intriguing facts, a helpful timeline, and a glossary that will assist in vocabulary improvement.

Now available in a Spanish language edition, this charming board book was originally published in English by Barron's in Spring 2003, titled My Own Human Body. It explains the human body in a series of words and pictures that are simplified for preschool boys and girls. The heavy board pages are die-cut in the shape of a smiling little boy. When kids lift the front cover, they remove his shirt and see the location of his heart. The text gives a simple explanation of how the heart pumps blood through the entire body. As kids turn successive pages, they observe the human body's interior and...