The US flag flies from government buildings, schools, and often from homes. Great care is taken with it, and if anything happens to a US flag, outrage often follows. While readers are likely familiar with saying the Pledge of Allegiance and celebrating Flag Day each June, they may not know why stars were added or what the colors of the flag have meant throughout US history. The main content of this valuable addition to a social studies library covers both the historical and symbolic background of the US flag. Full-color photographs of US flags through the years help readers understand its great significance through many eras.