Harriet Tubman

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of testing. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how testing works in the real world. In this book, readers learn how to make a circuit by testing for the best conductor. This nonfiction book is paired with the...

Rosalinde tiene un agujero en los calcetines. Rosalinde tiene una venda en la rodilla... Las personas que la rodean se fijan en casi todas las cosas de Rosalinde, menos en sus ideas. Sólo su abuelo conoce las ideas que tiene en la cabeza.

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

En este libro, entre otras muchas cosas, encontrará: - Los monstruos en la historia: adorados como dioses y temidos como diablos. - Joseph Merrick: la increíble vida del "Hombre Elefante". - Hombres-lobo: los verdaderos licántropos. - Enigma y realidad de los gigantes. - Cuando los "monstruos humanos" se exhibían en las ferias. - Hermanos siameses, parásitos y fetus in fetu. - Cíclopes, sirénidos y otras anomalías a la luz de la ciencia. - Seres extraordinarios que alcanzaron la celebridad. - Documentos y fotografías impactantes.