Omar Jayyam

La historia de la ciencia en la Edad Media es, hasta el siglo X, la del mantenimiento precario de los escasos saberes de la Antigüedad clásica que habían sobrevivido en occidente. A partir de entonces, la traducción del árabe de las obras de autores griegos fue la tarea fundamental. En el siglo XIII aparecen los primeros matemáticos medievales realmente creadores - Fibonacci, Jordano Nemorario y Nicolás de Oresme, entre otros. Al estudio de la obra de estos científicos y la de sus precursores está dedicado este libro.

Un libro completamente fotografico con ideas, tecnicas y mucha inspiracion para utilizar los crayones en el cuerpo. Faciles de usar para las manitas de los niños. Contiene seis crayones de gran calidad no toxicos y son facilmente lavables, ademas se puede

Make learning fun with this stylish and tactile book of colors. Every page is themed by color and filled with objects to see and say. Can you find the odd one out on every page? Lift the flaps to see if you were right -- and discover a host of surprises along the way. Bold, eye-catching artwork and sturdy card lift-flaps throughout will make this a favorite with children and adults alike.

Describes what early planes and air travel were like, how planes were developed to travel faster, and presents some pioneers of aviation.

This title will introduce little readers to the 1st president of the United States, George Washington. Readers will gather basic, biographical information about Washington through easy-to-read, simple text. They'll also love the historical photographs and images, the More Facts section, and bolded glossary terms. Translated by native Spanish speakers. . Aligned to Common Core standards and correlated to state standards. Abdo Kids is a division of ABDO..