Medida del tiempo en las carreras (Timing Races) (Spanish Version)

Journey through Earth's wet and wild rainforests with vivid photographs of the most unique plants and animals in the world's most untouched forests. Readers are introduced to the importance of protecting the rainforests and vocabulary related to the rainforest and its amazing inhabitants.

Recounts the life of Cuban violinist Claudio José Domingo Brindis de Salas, a black child who was born free and began his career as a musical prodigy to become a noted concert musician in Paris, while slavery still existed on the island.

Many people depend on blue crabs from the Chesapeake Bay for their jobs. But overfishing and changes in the blue crabs' habitats have reduced their numbers. Learn how scientists have stepped in to study these blue beauties so that they can keep a healthy crab population. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process and is...

Una gran epopeya histórica con aires de leyenda. La historia de una ciudad sometida que anhelaba la libertad y del hombre que luchó por alcanzar ese ansiado milagro. Amor, ambición, secretos, venganzas y traiciones se entrelazan sobre el fondo de una época oscura y fascinante. En el siglo IX, Barcelona se encontraba en los confines más lejanos del Sacro Imperio. Gobernada por los francos desde la distancia, la ciudad, de apenas mil quinientas almas, se había convertido en una tierra abandonada, asolada por intentos de conquista de los sarracenos y las hordas salvajes, y sometida a la...