Cuenta Tus Gallinas

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.

Provides a basic introduction to caves, including geographical information and plant and animal life.

In 1862, the American Civil War was underway, actively tearing the United States apart. At the start of the war, President Abraham Lincoln's main goal was preserving the Union, but he was now ready to make a stand on slavery. The Emancipation Proclamation was one of the most important documents of its time, but its contents can be confusing. This volume gives readers context for the proclamation, as well as explains what it says and its results, in uncomplicated language appropriate for those reading below level and those looking for a review of this subject.

Nada mejor para empezar el año que esta colección de citas sobre el amor escritas por uno de los autores más queridos y leídos de nuestro tiempo, porque como el mismo autor afirma: «el amor es la esencia de la vida». La obra está ilustrada con los preciosos dibujos de la artista Catalina Estrada, inspirados en la exhuberante belleza de la naturaleza de su país natal, Colombia.«El amor nos redime a través de la entrega total», Paulo Coelho