A contracorriente

Come find out what professional Crime Scene investigators do to solve a crime in this Spanish-translated nonfiction book! With detailed images and fascinating facts, readers learn about forensic science, criminal investigative evidence, and crime scene searches. This book includes an interview with a real-life CSI and a glossary, index, and list of useful sources. This 6-Pack includes six copies of this title and a lesson plan.

Esta es la primera parte de una historia de dos. No contada de una forma narrativa con orden cronológico, sino contada desde momentos clave, de sentimientos guardados y expulsados en papel. Las mejores historias siempre te obligan a hacer algo al respecto. Este libro es la parte oculta de la química, el dolor, el éxtasis, el miedo y la soledad que uno siente en la vida.

Plants are living things that grow and change. Over time, plants have made remarkable adaptations to suit the habitats in which they live. Simple text and beautiful images highlight how plants have adapted to life in the Arctic, in aquatic environments, and in other habitats such as those in deserts and grasslands.

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.