Medida del tiempo en las carreras (Timing Races) (Spanish Version)

The greatest thinkers of humanity at your fingertips, in minutes! If you thought you would never be able to understand the essential classic authors, you were wrong! With our "Summarized Classics" collection, you will understand the main ideas of the most important thinkers in a very short time and with little effort. The present volume covers the central axes of this discipline. Among them, the reader will find an analysis of the following: In addition to a summary of the essentials of the classic work Leviathan (1651), we offer the reader a description of the historical context in which...

This book introduces you to hippopotamuses, including their size, diet and everyday behavior, which highlights differences between those in the wild and those living in a zoo habitat.

Animals do not brush their teeth, but they still have ways to keep their teeth clean. Read to find out how. Paired to the fiction title Going to the Zoo.

Un anciano trata con amabilidad a Gruñón, un gatito abandonado que vive en el parque soportando un crudo invierno. Gruñón disfruta la compañía del anciano, con el que observa todo lo que ocurre en el parque. Pero nada dura para siempre.