Células (Cells)

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into historical events. Students will learn about the U.S. Constitution, the Articles of Confederation, the Connecticut Compromise, and the Bill of Rights. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. Packed with...

When President Thomas Jefferson bought the Louisiana Territory from cash-strapped France in 1803, he doubled the size of the United States without really knowing what he was getting. He dispatched Meriwether Lewis and William Clark and their Corps of Discovery to explore a territory that would include part or all of fifteen future states and to seek a water route to the West Coast. Westward expansion began immediately, all for the bargain price of 15 million dollars. This book richly explores this fascinating part of history.

Introduces young readers to the tyrannosaurus rex, examining its physical characteristics, eating habits, and extinction.

He aquí la obra más revolucionaria de la literatura española. A mediados del siglo XVI un pregonero toledano alza la voz para contar su vida y, al hilo de ella, mostrarnos el cuadro expresionista de una España que en el universal engaño a los ojos encubre una avasallante miseria material y moral. El genial autor anónimo, que ocultó celosamente su identidad, no sólo revolucionó los géneros literarios abriendo camino a la novela moderna, sino que logró una obra tan llena de intención que cuanto más la leemos más nos sorprende y deleita. Especialista en literatura del siglo xvi,...

¡Vamos criaturita, vamos! offers a simple introduction in Spanish to some of nature's most intriguing creatures, from the earthworm in the ground to the bee buzzing in a flower; from the spider in its web to the firefly lighting up the night sky.