La carta de derechos

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

Eco-Friendly Energy Is Explained. The Most Current Information Is Provided While Establishing The Understanding That It Does Not Take Much To Make The World A Better Place.

"Explains many different ways that children can show manners on the school bus--in both English and Spanish"--Provided by publisher.

Introduces the many levels of government leadership in the United States and discusses the presidency, Congress, state and local governments, and the judiciary.

What do a shark, a seahorse, and a ray have in common? They're all fish! Learn about the characteristics that all fish share.

Poetas del Renacimiento de Harlem (Harlem Renaissance) es una antología bilingüe que intenta representar y recuperar el centro así como los márgenes del movimiento | Poets of the Harlem Renaissance is a bilingual anthology that attempts to represent and recover the center as well as the margins of the movement: Claude McKay — Langston Hughes — Countee Cullen — Sterling Brown — Jean Toomer — Arna Bontemps — Angelina Grimké — Anne Spencer — Gwendolyn Bennett — Helene Johnson — Gwendolyn Brooks — Margaret Walker — Frank Horne — Georgia Douglas Johnson — Richard...