Por que el cielo es azul?/ Why Is the Sky Blue?
Subtitle: La ciencia para todos/ Science for Everyone (Voces/Ensayo)
Publisher: Paginas de Espuma
Published: December 30, 2006
Language: spa
Format: Paperback
Number of pages: 230
ISBN-13: 9788495642349
Subjects: Wonders And Curiosities; Reference; Science; Spanish: Adult Nonfiction; General; Curiosities & Wonders