210 páginas
Idioma English
Publicado el 1973 por Houghton Mifflin Company.
Please explain
por Isaac Asimov
(0 reseñas)
Answers to questions in various scientific disciplines, e.g., "What are pulsars?", "Is the universe running down?", "What is the difference between a brain and a computer?", and "Why did the dinosaurs die off?".
Temas
- Science -- Juvenile literature
- Science
- Questions and answers