Florence Nightingale

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

Follows the Thirteen the Amendment that freed the slaves, end of the war, and the death of President Abraham Lincoln.

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

Describes the different types of amphibians including frogs, where they live, what they eat, how they survive, and how they reproduce.

Fruit is sweet, juicy, and healthy. Learn about how MyPlate helps kids make great food choices every day, including fruit!

La obra artística y literaria de José María Baez resulta especialmente atractiva por muchos motivos que van desde su especialización estética hasta su singular afecto al lenguaje. Resultado de ello es su carismática personalidad, donde la erudición y la sentimentalidad parecen entenderse en un cordial equilibrio que, no obstante, no deja lugar para certezas convencionales. Esta obra es, quizá, la prueba más patente de ello: "La vida con los otros" se nos ofrece como una colección de nueve ensayos breves, elocuentes y amenos, donde el autor nos deja ver su gusto por el íntimo tiempo ...

Visiting Tulum National Park is like going back in time. The Maya lived there long ago. Learn addition as you count the things they left behind. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning addition easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section provides...