Lewis y Clark y la compra de la Luisiana (Lewis and Clark and Exploring the Louisiana Purchase)

Gael y la red de mentiras es la primera de una serie de novelas gráficas en las que Gael, un ladrón de guante blanco, viajará por el mundo escapando de su pasado y buscando la siguiente pieza que robar. Muchísima acción y sorpresas, siempre con un trasfondo cultural y expresiones fáciles de entender y de aplicar por el lector.

Need it or want it — what's the difference? Needs are things people cannot live without, such as food, water, and shelter. Let's explore the differences between the concepts of needs and wants! The Me Pregunto (I Wonder) series is perfect for young learners in prekindergarten through grade 2. These 16-page books give readers an accessible introduction to nonfiction reading. Color photographs and fun, factual examples will grab the attention of young readers and help strengthen reading comprehension skills.

Intermediate Readers Explore Concepts Of Evaporation, Condensation, And Water As A Solid, Liquid, Or Gas.

Readers will learn about the important relationship between producers and consumers as well as buyers and sellers and how they all work together to create a healthy economy. This instructive volume defines basic economic concepts like goods and services and explains production with examples of the different types of production. It also covers the primary and secondary industries that produce goods. Concepts such as marketing and advertising are also covered, for a well-rounded view of this fascinating aspect of the economy.