En el acuario (At the Aquarium) (Spanish Version)

This book really measures up! It provides historical background and details about how length, distance, volume, weight, and time were measured in the past. An introduction to many of the necessary terms for a better understanding of measurement, such as scale, perimeter, and ruler is provided along with detailed photos and images to help the readers better comprehend the overall concept of measurement.

Students will learn about the history of hot air balloons and they will also discover the importance of volume when calculating hot air balloon flight. Used in the classroom or at home, this nonfiction Spanish text includes mathematical charts to help students practice calculations. With a glossary, an index, dynamic images, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest content.

Focuses on NSTA Standards of understanding science and technology. Explores the position of motion of objects.

Colorful photographs and English and Spanish text teach children the names for some of the parts of the human body they can see. On board pages.

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.

Un agente de la CIA es relevado de sus servicios y destinado a oficina cuando el hombre que estaba bajo su vigilancia es asesinado. Empieza a investigar y descubre una trama siniestra. La estatua de una Virgen negra le proporciona la primera pista sobre una conspiración que pretende devolver el poder a una antigua dinastía. «Una novela inteligente y trepidante que hurga en demasiados asuntos sucios...» Publishers Weekly