Explains the circumstances that led to the tragic 1911 garment factory fire that killed 146 people, examines the role of unions and reformers, and details how public opinion eventually forced legislat
Discusses the salmon's life cycle, including its journey from freshwater to the ocean and back upstream to mate and lay eggs, the dangers it may encounter along the way, and human efforts to help salm
"Understanding light and color might seem impossible--but if readers already know the colors of the rainbow, they're part of the way there! Including the light spectrum, wavelengths, and other key con
