Dinosaurios, garras y crestas

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

Humans and animals can also make a great team working together. See how horses and the officers who ride them work together to keep our streets safe.

Teaches Young Readers About Shapes And Patterns Using The Seasons Of The Year And Pictures Of Nature.

This Ever Popular Subject Is Explained In Detail In This Wonderful Book. How The Earth Is Made From Rock, The Three Different Types Of Rock And How They Are Made And Where They Can Be Found. Talks About How Fossils Are Formed From Sediment And What Role That Plays In Helping Us Learn About Life Long Ago. Talks About How These Fossilized Plants And Animals Became The Fossil Fuels That Are So Important To Our Present And Future Life On Earth.

Provides an overview of the design, uses, weapons, and equipment of U.S. Navy submarines. Written in English and Spanish.

Durante toda su existencia, CORPUS BARGA (1887-1975) mantuvo una activa atención hacia Madrid, su ciudad natal. Al cuidado de Arturo Ramoneda, esta recopilación reúne, en primer lugar, artículos periodísticos de los años en que residió en París (entre 1914 y 1930) y viajaba a la capital, en los que describe, desde perspectivas inéditas, calles y plazas tantas veces recorridas, y va dejando constancia de los cambios que observa, sin dejar de criticar aspectos de sorprendente perennidad («Madrid es un campo de batalla: por todas partes hay barricadas, obras, derribos»). En sus PASEOS ...