La optimización mecánica en el medio acuático

Uno de los retos del siglo XXI es alcanzar la plena igualdad de derechos entre hombres y mujeres. Cien años después de que se celebrara por primera vez el Día Internacional de la Mujer, el 19 de marzo de 1911, te invitamos a conocer en las páginas de este libro a un grupo de mujeres que, en épocas en las que no tenían derecho a casi nada, se atrevieron a luchar por sus sueños, y llegaron, incluso, a cambiar la historia.

In the winter of 1856, a storm delays the lighthouse keeper's return to an island off the coast of Maine, and his daughter Abbie must keep the lights burning by herself.

Why did the Civil War begin? Which states were part of the Union and which were part of the Confederacy? Readers will learn the answers to these questions and more as they move through this fascinating nonfiction Spanish-translated book. The easy-to-read text, engaging facts, and vivid images and illustrations help highlight some of the aspects that led up to the Civil War including the slavery, the Underground Railroad, abolitionists, the Fugitive Slave Act, the Dred Scott Decision, and the Lincoln-Douglas debates. The accessible table of contents works in conjunction with the supportive...

Mi Primer Larousse (My First Larousse) is a vibrantly illustrated series of full-color visual reference books written in Spanish for school age children. This series has fun interactive die-cut closures that protect the book when not being used. From how candy is made to digging big tunnels to how pencils are created this book looks at more than 60 day to day objects that children ask where do they come from or how they are made. Simple text and amusing illustrations describe the process for children.