Arthur Conan Doyle

Una guía completa de los dinosaurios fundamentales de Argentina y el sur del planeta, ilustrado y a todo color. Los dinosaurios más famosos de nuestro país, estrellas de la paleontología, ahora a tu alcance en este libro. Animate a descubrir todo sobre los animales que vivieron acá antes que nosotros.

Helps parents mitigate the drastic and often traumatic effects a divorce or parental separation has on children, from preschool age through the teens, by helping them open up frank and honest dialog geared to the child's specific age level, so that each child can cope with the natural feelings of loss, sadness, rejection, and abandonment that occur with such life-changing events.

Advances in science have changed our world, all thanks to the scientists behind important discoveries. Some of the most important discoveries have come from female scientists, who were as unique for their work as they were for being trailblazers in a male-dominated industry. This text offers a biographical treatment of such important scientists as Marie Curie, Rachel Carson, and Jane Goodall, as well as others who have made it possible for women of the future to have a career in science. Age-appropriate text, fact boxes, historical and modern images, and a comprehensive timeline complete the...

En el mar, el hombre tiene el privilegio de contemplar un paisaje antiguo pero en él se siente realmente un extranjero y descubre que su huella es efímera y ridícula. En épocas de cambios como la que vivimos, aún es posible atisbar retazos de otra mane