Matemáticas en el cinturón de asteroides (Math in the Asteroid Belt)

After a long trip through the Caribbean, full of conversations and complicities, the Londoner Eric Devon, his wife Nora and a lucid American journalist decide to travel to a Berlin--recovering from the disasters of the perverse effects of Nazism. In a city devastated by war, but full of life, the protagonists are waiting for a great surprise. This impressive time travel offers an unprecedented and refreshing view of Berlin in the late fifties. After a long trip through the Caribbean, full of conversations and complicities, the Londoner Eric Devon, his wife Nora and a lucid American journalist ...

A los ojos de los demás, Maggie Fortenberry es sinónimo de éxito y felicidad. Pero las apariencias engañan, pues en realidad, ella ha perdido la ilusión de vivir, ya que los remordimientos del pasado le impiden disfrutar del presente. Desde la muerte de Hazel Whisenknott, su amiga íntima y fundadora de la agencia inmobiliaria en la que trabaja, Maggie quiere dar un giro a su vida, pero en seguida se da cuenta de que es demasiado joven o demasiado vieja para según qué... De pronto da con lo que ella considera un plan perfecto.Sin embargo, los planes no siempre resultan ser tan...

There are many kinds of friends including invisible ones, family members, pets, pen pals you have never met, and best friends. This book celebrates the special bond in all its diversity.

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther. This 6-Pack includes six...