Células (Cells)

Practice addition at the playground! This fun title, that has been translated into Spanish, uses examples from all around the playground to help children practice their addition and understand early STEM themes. Add up two blue swings and three red swings to get five swings! Add slides, rings, jump ropes, basketballs, and more! These familiar images work in conjunction with engaging "You Try It!" problems to encourage young readers to practice and improve their addition skills.

Despite unprecedented economic growth, the injustices and turmoil endured by Mexico over the course of Porfirio Diaz's three-decade presidency would lead to the outbreak of that country's biggest social revolution. In this profusely-illustrated history book for children, the events surrounded Porfirio Diaz's mandate are narrated in a simple, clear style. The book's profuse illustrations contribute to a didactic and comprehensive understanding of the Porfiriato. The supplementary charts and the timeline spanning the 1876-1911 period help organize and narrow down the most relevant facts in this ...

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.

"'Aula Nueva edición' es un manual compacto; es decir en un mismo volumen se incluyen: el libro del alumno, el cuaderno de ejercicios (más ejercicios), un CD con las audiciones."--Editor.