Mi hermana está en terver grado

Martín De León was the only Mexican empresario to found a colony in Texas. This book also details De León’s integral role in the development of the cattle industry, along with other accomplishments that have made him a compelling figure in Texas history.

This bestselling title in the highly acclaimed SeeMore Readers series is now available in Spanish. The same fascinating content as SUPER STORMS.

Readers will set their eyes to the night sky in this fascinating book about astronomers. This volume is a perfect combination between STEM and career guidance as it introduces readers to the different ways astronomers use science, technology, engineering, and math in their work every day. Readers will love learning about celestial bodies and space phenomena, as well as the different processes and equipment astronomers use to observe, collect, and analyze data. This book also covers the steps a person can take to become an astronomer. The curriculum-based information in this book is conveyed...

Es el verano de 1990 y Lucas Sastre, recién acabada la carrera de Arqueología y con pocas perspectivas laborales, recibe una misteriosa oferta de empleo. Supera pruebas psicológicas, de agudeza visual... Pronto descubre quién está detrás: el CESID, que quiere reclutarlo para su delegación en El Cairo. Una vez allí, bajo las órdenes de Julio Flores-Westenfarg, un agente bregado en mil batallas, Lucas se ve involucrado, casi a su pesar, en una operación secreta del gobierno español que tiene como objetivo conseguir acceso sin límites a los pozos de petróleo de un pequeño país...