Dólares / Dollar Bills

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.

Animals do not brush their teeth, but they still have ways to keep their teeth clean. Read to find out how. Paired to the fiction title Going to the Zoo.

Arvid Falk, un joven idealista y generoso, deja su empleo para dedicarse a la literatura militante. Al cabo de muchas experiencias amargas, vuelve a su vida de empleado y, ya sin ilusiones, dedica sus horas libres a la numismática. A la figura de Arvid se contrapone la de su hermano, Carl Nicolaus, mezquino e hipócrita aunque con un fondo de humanidad verdadera. Una serie extraordinariamente incisiva de retratos de personajes y ambientes de la sociedad sueca de finales del siglo XIX completan el impresionante edificio narrativo de la novela: figuras de la vida bohemia, periodistas sin...

Veteran’s Day is a day set aside to thank the men and women who risk their lives protecting America. Each year on November 11, we celebrate what they have done for our country. Learn more about the history of this important holiday, such as why it is on November 11 and what Americans do to celebrate.