La luz y sus efectos (Light and Its Effects)

Each year, Martin Luther King Jr. Day serves as a reminder of the life and work of one of America's greatest civil rights activists. In this informative book, readers will learn about the importance of the civil rights movement and why we celebrate Martin Luther King Jr. Day. Full-color photographs accompany the text. This essential book features accessible language that is ideal for children in the early stages of learning to read.

Un libro que recoge toda la historia de Maverick, el artista revelación que está conquistando escenarios y corazones. Un libro dedicado a l@s Mavers, porque sin ell@s nada de esto sería posible, en el que el cantante comparte sus experiencias y fotos más personales. «Si tuviera que definirme con un lema, creo que sería que, antes que artista o cualquier otra cosa, hay que ser persona. Y sí, ahora soy Maverick, un cantante famoso, finalista de La Voz, con un disco en el mercado y con miles de seguidores en redes sociales. Pero también sigo siendo Mave, o Mav, como me llaman mi familia...

All Spanish Prepositions This book is intended to explain how to use the 23 prepositions existing in the Spanish language to students of Spanish as a second language or to Spanish native speakers who want to acquire, refresh or improve their knowledge on this topic. Studying prepositions in any language is one of the hardest tasks because there are several rules to follow as well as some exceptions. The various rule categories are explained for each preposition along with numerous examples. These examples cover different contexts to give the reader multiple usage options of the language...

From war and death to school and gender equality, the Sociedad series discusses many serious issues in a way that can be easily understood by children. Although many of the situations and examples are specific to Mexico, these books can be applied to a general readership, particularly one of Hispanic origin. Reflecting on modern sciences, particularly biotechnology—from its limitations to its advances—this perceptive study answers many questions concerning cloning and genetically modified organisms, such as Why do scientists work in these arenas? What are the benefits of this technology?...