La Condena del silencio

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...

A simple biography of the man who worked to win fairer treatment of the migrant farm workers in California in the 1960s and to establish the United Farm Workers union.

Popular Holidays Throughout The Year Are Highlighted For The Emergent Reader With Engaging Text And Matching Photos.

A lo largo de mi vida he sido un poco de todo: marchante de arte, predicador en una región minera, profesor de idiomas, vendedor de libros . . . pero, por encima de todo, pitar ha sido mi verdadera pasión. Algunos me conocen como "el loco del pelo rojo" . . . ¿Quieres saber por qué?