El Misterioso Mundo de los Códigos Secretos

The Callender brothers, members of the Bloodhound club, possess a great curiosity and adventurous spirit. When their father is elected director of an exhibition in Paris, they are delighted to spend a vacation there. Though when they arrive, they come to find that the Seated Scribe, the masterpiece of the exhibition, is nothing more than an imitation. Los hermanos Callender, miembros del Club de los sabuesos, tienen una enorme curiosidad y un gran espíritu de aventura. Cuando su padre es elegido director de una exposición en París, están encantados de pasar allí unas vacaciones..., que...

The Earth is a remarkable place! In the universe, Earth is the only place that we know for sure has life and non-life. Learn all about interdependence in ecosystems with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. Introduce students to STEM topics and new vocabulary terms like oxygen cycle, stimuli, homeostasis, and micro-organism with this nonfiction book that is aligned to state and national standards. The leveled text supports students reading at above-, below-, and on-grade level. The fun lab activity...

¿Sabías que a lo largo de la historia han muerto más personas a causa de las epidemias que por culpa de las guerras y otros desastres? Algunos científicos, a veces arriesgando sus vidas, investigaron las causas de enfermedades como la peste, el cólera, el sida o el ébola. Muchos de ellos fueron objeto de burla, fueron ignorados, e incluso los despidieron de sus trabajos. Sin embargo siguieron intentando encajar las piezas del puzle de las epidemias. Y la primera pieza, la más importante, era el «paciente cero», la primera persona que hubiera contraído la enfermedad, porque así...

This book will open your eyes to a world full of beautiful images. It presents a journey through the history of art, from the very first artistic manifestations to the images we create today on our electronic devices. Based on the adult title, this edition for kids is explained through dialogue with inspiring simplicity and clarity.

Text and photographs present an introduction to the dog breed known as the German shepherd, including its growth from puppy to adult, and pet care information.