The easy reading level and profusely illustrated format with English and Spanish texts on each page make these books accessible to many readers. The translations are excellent, faithful to the text, readable, and convey the excitement of great lives. However, the series has a penchant for highlighting the historical mistakes of Roman Catholics and not the errors and limitations of other groups. Since few other books exist on the subjects, the books are worth purchasing. The intriguing world of atomic science is captured in Luis W. Alvarez , who, from an early age, had an inquisitive mind and adventurous nature and went on to be the Nobel prize winner with the greatest number of discoveries. Queen Isabella I gives a portrait of Spain's great political leader and early feminist. In Vilma Martinez , Codye presents an inspiring account of the Mexican-American lawyer who fought against prejudice. Martinez, one of the founders of the Mexican American Legal Foundation (MALDEF) became a powerful advocate of voter rights and bilingual education. Bernardo de Galvez is a portrayal of a brave Spanish soldier who became a popular governor of the Louisiana territory. He joined the U. S. in its revolt against England; his efforts on land and sea contributed to Britain's defeat. In Benito Juarez , Gleiter presents the life of one of Mexico's greatest presidents. Carlos Finlay is the inspiring story of a Cuban physician who, despite a speech defect and opposition from physicians from the U. S., went on to discover the cause of yellow fever. In Pedro Menendez de Aviles , Thompson writes about the 16th-century explorer who established the first permanent settlement in the United States. Sor Juana Ines de la Cruz is the story of a brilliant scholar, poet, dramatist, and librarian who chose the life of a nun.