El libro secreto de las niñas

Learn more about the renowned British scientist, professor, and author who spent his entire career trying to answer the question: "Where did the universe come from?" Stephen Hawking was born exactly three hundred years after the death of the scientist Galileo, so maybe it was written in the stars that he would become a famous scientist in his own right. Although he was diagnosed with a neurological disease at age 21, Stephen did not let the illness define his life. Known for his groundbreaking work in physics, and identified by his wheelchair and computerized voice system, Stephen continued...

Deforestation, hunting and global warming have endangered countless species. The orangutan, okapi, giant panda and the blue whale are just some of the 30 species on the brink of extinction that are featured in this book. They need your help. The International Conservation Society illustrates how many of these species are left in the wild, and the latest status regarding their natural environment. You'll learn how you can aid endangered species and help sustain the ecosystems that give them life.

Follows the adventures of Max Axiom as he explains the science behind sound. Written in Spanish and in graphic novel-format.

In this book, children learn how we can tell if something is shiny or dull and which materials have these properties.