Experimentos sorprendentes con la luz

La inexplicable desaparición del gentleman Atticus Craftsman en el corazón de las tinieblas de la España profunda parece estar relacionada con las malas artes de cinco mujeres desesperadas, las empleadas de la revista Librarte, capaces de cualquier cosa con tal de conservar su trabajo.

For soccer fans, the unstoppable Cristiano Ronaldo has become a household name. What goes into the making of such a phenomenal player? What was he like when he was young and still learning? This book takes a close look at one of the greatest soccer players in the world right now. Young readers will love to learn about his jaw-dropping achievements and also learn about what shaped him into a record-breaking athlete. Ronaldo's story will inspire both the curious new soccer fans as well as those already bit by soccer mania.

Tommy Fuller and his family help a runaway slave family follow the stars in the Little Bear constellation to freedom.

Readers will learn about the important relationship between producers and consumers as well as buyers and sellers and how they all work together to create a healthy economy. This instructive volume defines basic economic concepts like goods and services and explains production with examples of the different types of production. It also covers the primary and secondary industries that produce goods. Concepts such as marketing and advertising are also covered, for a well-rounded view of this fascinating aspect of the economy.