El Pacto Del Mayflower /

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

Explains The Early History Of How The Bill Of Rights Came To Be And How It Is Used To Protect Citizens.

Esta antología conjuga humor y fantasía para recoger historias y tradiciones de Suecia, Etiopía, Marruecos, Panamá, Brasil, Norteamérica, India, España, Rusia, Sumeria e incluso Alaska, escritas por varias autoras que tienen una relación especial con el contexto en que se inspiran. Las leyendas y los relatos resaltan valores trascendentales y son ventanas al folclor de distintas latitudes. «El trol y el bautizo» (Suecia); «Aisha Kandisha y el amor de Nadim» (Marruecos); «El descubrimiento de Kaldi» (Etiopía); «La Isla del Encanto» (Panamá); «El día en que el Sací Pereré...

Like the other Sasek classics, these are facsimile editions of his original books. The brilliant, vibrant illustrations have been meticulously preserved, remaining true to his vision more than forty years later and, where applicable, facts have been updated for the twenty-first century, appearing on a "This is . . . Today" page at the back of each book. The stylish, charming illustrations, coupled with Sasek’s witty, playful narrative, make these books a perfect souvenir that will delight both children and their parents, many of whom will remember them from their own childhood. In This is...

Learn how light pollution prevents us from seeing the stars and causes other problems as well. This Spanish book features a hands-on STEAM challenge that gives insight into how the engineering design process is used to solve real-world problems.

As a successful former slave, Clara Brown used her money to help other freed slaves get a new start in life. In 1859 Clara bought her own freedom and headed west to Colorado to find her daughter, who was sold when she was just a little girl. Clara didn't find her daughter there, but she did get rich. The people she helped became her family, and she became known as "Aunt" Clara Brown.