Darwin y el gran cuento de los animales

Clues about the lion's physical characteristics, behavior, and habitat lead the reader to guess what animal is being described. Presented in English and Spanish. Presented in English and Spanish.

Mathematics constitutes ideal material for exercising the art of learning and thinking. For this it is necessary that the classroom has a stimulating atmosphere which requires determined attitudes and beliefs. The book combines theory and practice and responds to questions such as these: to think in the mathematics class? on what does the knowledge of solving problems really consist of? what are the beliefs and which are the most common ones among the students? how to diagnose, evaluate and, in some cases to modify, the systems of beliefs of the pupil?).

When many think of the Constitution, they think of the Founding Fathers: Thomas Jefferson, John Adams, Benjamin Franklin...but neither Jefferson nor Adams even signed it. Facts like this will surprise readers, while further information will enlighten them about both the crucial document called the U.S. Constitution as well as about its creation and ratification. This essential volume is a significant addition to any elementary social studies collection.

Isabel, una mujer que decidió ser la dueña de su propio destino..Hija menor de Juan II de Castilla e Isabel de Portugal, la pequeña Isabel contaba con escasas posibilidades de llegar al trono, destinado a sus hermanos varones. Vivió una infancia tranquila junto a su madre, ajena a las tensiones de la vida palaciega, pero la temprana muerte de su padre cuando ella contaba tres años, y la posterior enfermedad materna cambiaron su existencia de modo radical..Apenas una niña, con diez años su hermanastro el rey Enrique IV la obliga a separarse de su madre y vivir en la Corte, avispero de...