Dinosaurios, colas y corazas

Learn How Dams And Levees Are Built As Well As The Effects They Have On River Systems In A Region, And Places Downstream.

Historietas de humor que reflejan las situaciones divertidas y absurdas de la relaciones entre hermanos.

Como la primera mujer de la raza negra y con raíces en Asia Meridional que se convierte en vicepresidenta de los Estados Unidos, así como la segunda mujer negra en la historia elegida al Senado de los Estados Unidos, Kamala Harris está abriendo nuevos caminos en su ruta hacia el escenario nacional. Pero, ¿de qué manera alcanzó sus metas? ¿Qué valores e influencias la guiaron e inspiraron sobre la marcha? En esta edición de sus memorias para lectores jóvenes, conocemos cómo su familia y su comunidad influyeron en la vida de la vicepresidenta Harris y vemos qué la llevó a descubrir ...

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.

Christopher Columbus most likely wasn’t the person to discover the Americas. He wasn’t even the first European to do so! Despite that, his three trips to the Western Hemisphere led to many more European explorers heading in that direction. In this volume, readers familiar with Columbus’s travels on the Nina, Pinta, and Santa Maria can learn who Columbus was beyond his travels. Supported by full-color and historic images, interesting main content turns what readers think they know about the life of Columbus on its head while expounding on an important period in the history of the world.