Arthur Conan Doyle

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of debugging. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how debugging works in the real world. In this book, readers will investigate what's wrong with a circuit and find out how to fix the problem. This nonfiction book is ...

Aircraft carriers are truly the fortresses of the sea! Students will get an inside–out view of these incredible floating cities, from how they are constructed to how they function as important parts of a country’s defense. Students also will learn about the various aircraft that are on board and the crew that keeps aircraft carriers in ship shape!

Amusing And Engaging Text Describes How The Color Of An Animal Can Ensure Its survival. Provides Examples Using A Variety Of Animals.

Una obra dedicada a la vigencia del pensamiento del filósofo escocés David Hume debería empezar sospechando de lo que llamamos filosofía, para terminar dudando de la propia validez de los principios morales. Fiel a su estilo claro y conciso, Felipe Martínez Marzoa resume las aristas de este filósofo de la sospecha.