¿Cuáles son las ramas de la democracia?

Explains, in simple terms, the reasons for skin color, how it is determined by heredity, and how various environmental factors affect it.

Simple text and photographs describe the life of Michelle Obama. Michelle Obama became First Lady on January 20, 2009. But before she lived at the White House, she was a powerful lawyer. Learn about her childhood, education, and goals as first lady of the United States.

Discover the beauty of the four seasons! These leveled nonfiction titles present the complicated concept of seasons-including how the position of the Sun and Earth change them-and makes it easy for emergent readers to understand.

Each title in an educational series features one letter per page with ample writing space for practice, teaching youngsters how to write each letter of the alphabet in upper case, lower case, and in cursive.