Princesas y lobas

Un libro para que los chicos conozcan de manera divertida el mundo de la luz y los colores. ¿Por qué vemos los objetos? ¿Por qué unos tienen un color y otros otro? ¿cuántos colores hay y cuántos podemos ver? Un montón de preguntas con sus respuestas claras, sencillas y divertidas. Completamente ilustrado para facilitar la comprensión de los chicos. Nota: este libro es gratuito. Si al descargarlo se solicitase una tarjeta de crédito, pulsar en el botón "descargar muestra", ya que se descargará el libro completo.

Discover how the butterflies colors are made up of, how they eat, and how they become the beautiful insect you see today

An illustrated field trip visits a newspaper to explain about reporting and editing the news, printing the newspaper, circulation, and related topics, in a study that spotlights some important vocabulary and concepts.

Learn the history of number systems with this engaging Spanish book! This text combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn place value while reading about the number systems of the Egyptians and Romans, and also learn important vocabulary terms like cuneiform, binary systems, roman numerals, and more! The full-color images, math charts, and practice problems make learning math easy and fun. The table of contents, glossary, and index will further understanding of math and...