the theory of relativity = Albert Einstein : la teoria de la relatividad
Macdonald, Fiona
2005
Presents a concise history of the life and scientific works of Albert Einstein written in both English and Spanish, and describes his theory of relativity, major discoveries in the field of quantum mechanics, and more.
The author describes life in the Middle Ages answering questions the reader might have on farming, eating, clothing, towns and trades people, recreation, government, knights and castles, religion, education and history.
Contains an introduction to what it was like to be an Aztec warrior, in simple text with illustrations, including information on armor, weapons, skills, and duties.
