El Tesoro Perdido de la Ciudad Sumergida

Visiting Tulum National Park is like going back in time. The Maya lived there long ago. Learn addition as you count the things they left behind. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning addition easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section provides...

Imagination destroys any and every physical limitation the body has in a fanciful, whimsically illustrated exploration.

Born in Warsaw, Poland, on November 7, 1867, Marie Curie was forbidden to attend the male-only University of Warsaw, so she enrolled at the Sorbonne in Paris to study physics and mathematics. There she met a professor named Pierre Curie, and the two soon married, forming one of the most famous scientific partnerships in history. Together they discovered two elements and won a Nobel Prize in 1903. (Later Marie won another Nobel award for chemistry in 1911.) She died in Savoy, France, on July 4, 1934, a victim of many years of exposure to toxic radiation.

Con texto cuidadosamente organizado en niveles y fotografias frescas y vibrantes capturamos la atención de los jóvenes lectores para que aprendan sobre las tradiciones y celebraciones de Ramadán y Eid al-Fitr. Además de tener un glosario con imágenes, ayudamos a desarrollar habilidades de lectura informativa con preguntas de pensamiento crítico apropiadas para esta edad. Carefully leveled text and fresh, vibrant photos engage young readers in learning about the holiday traditions and celebrations of Ramadan and Eid al-Fitr. Age-appropriate critical thinking questions and a photo...