Un día en... el Imperio Romano (Un día en...)

Interesting facts and experiments explore the dynamics of a race car engine to teach about air flow and drag, safety equipment and roll cages, the fuel system and horsepower, suspension and track bars, internal combustion, why race cars don't have speedometers, how roof flaps are designed like airplane wings, and more.

In June of 1870, Charles Dickens died before finishing his last novel, The Mystery of Edwin Drood. The ending of that novel would become one of the great literary enigmas of all time. In 2018 the filmmaker Hugo Almagro agrees to write a script about The Mystery of Edwin Drood.

Having a job and earning money are a part of everyday life for most people, especially adults. The concept seems fairly straightforward: one works to earn. This volume discerns the difference between a job and a career, as well as how a job can develop into a career. Readers will learn why a community's economy needs jobs, how paying someone to do a job helps the person who is paying them, and even about job loss and its consequences. The text also explains different jobs and their effects on the economy, such as those of professional, production, arts, and government and military jobs.

Una fantástica serie de biografías ilustradas para conocer a los personajes más destacados de la historia de una forma didáctica y divertida. Leonardo Da Vinci fue uno de los pintores más importantes de la historia, además de un talentoso músico, y un estupendo científico e inventor. Construyó máquinas voladoras, submarinos, ¡e incluso helicópteros! Sin embargo, le costaba mucho terminar las cosas que empezaba. Por eso, hoy en día solamente lo conocemos por sus obras más famosas, pero hay mucho más... Descúbrelo todo en este libro. ENGLISH DESCRIPTION Leonardo da Vinci was a...