Lego Star Wars. Yoda: un viaje por la galaxia

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.

Todo fenómeno biológico, como es la sexualidad, se explica por causas próximas (anatomía, fisiología, conducta y su desarrollo) y causas últimas (adaptación y evolución), ambas en interacción con el ambiente natural y social de cada especie, además del sociocultural en los humanos. Específicamente en humanos, muchos especialistas solo tratan de explicar la sexualidad por causas próximas y en términos de conductas conscientes e influidas solo por lo sociocultural, lo cual no es incorrecto, pero ello es solo parte de la explicación, no se acude a las interpretaciones evolutivas....

Clues about the lion's physical characteristics, behavior, and habitat lead the reader to guess what animal is being described. Presented in English and Spanish. Presented in English and Spanish.

Before there was the U.S. Constitution, there were the Articles of Confederation. Readers discover the story behind the first written constitution of the United States—from the factors that inspired its creation to the reasons why it was replaced. The detailed main text is enhanced by informative sidebars and graphic organizers. Historical images, including relevant primary sources, allow readers to immerse themselves in this historical period. Readers are given the chance to thoroughly examine elements of the original document, making them feel like true historians. They’re sure to enjoy ...