Una colonia de Pingüinos (A Penguin Colony)

Young readers may have heard about the benefits of using and making the most of their resources, but how does that factor into an economic discussion? This thorough discussion defines resources and describes the different types of resources and why some divide them into three categories and others choose four. The book also addresses the concept of scarcity, showing readers how, because all resources have their limits, it is important to use them responsibly and efficiently in a healthy economy.

Me llamo Agatha Christie, aunque todo el mundo me conoce por la Reina del Crimen... No! No creis que soy una asesina. Todo lo contrario, en realidad soy muy pacfica, pero me dedico a escribir novelas policacas y relatos de misterio.

Diviértete con las locuras del pirata Arreglaentuertos y ahorra un dinerito con este fantástico libro-hucha.

For thousands of years, militaries around the world were limited to male soldiers. However, throughout history, brave women have stepped out of the background and onto the battlefield. This biographical text covers the important women who’ve broken ground in the military. Famous historical figures such as Joan of Arc, Clara Barton, and Florence Nightingale are covered in depth, while the stories of modern-day heroes are presented to show how women are still affecting change on the front lines. A comprehensive timeline, fact boxes, and historical and modern images complete this...