Las cadenas alimentarias en el desierto (Desert Food Chains)

Explore fascinating robotic technology through the ages, from the earliest automatons to modern humanoid helpers. From automata created by Leonardo Da Vinci to modern-day androids and animal robots, this book covers artificial intelligence (AI) throughout history. Discover the latest at the cutting edge of robotics, where science, technology, mechanical engineering, and computing meet as Robot explains how robots work, how they are made, and how they help and sometimes hinder in modern society. This kids' robot book showcases the latest and greatest innovations in AI through bright graphics...

What better way to portray bioluminescent creatures of the sea, earth, and sky than in a glow-in-the-dark book? Scientific researcher María Emilia Beyer reveals the truth about these animals that produce their own light using special substances, as well as how they use this ability to search for food, defend themselves from prey, communicate, and find a mate. Readers will find eight species of bioluminescent plants and animals and can turn out the lights to see them in all their splendor--and read special hidden text!

Caballeros con armadura, guerreros de todos los tiempos, cazadores de dragones, héroes y superhéroes, hechiceras, brujos, hadas y duendes desfilan en este taller de dibujo. Todas las reglas y los trucos que se necesitan para empezar a dibujar y para los que ya conocen los secretos de estos mundos maravillosos

Who wants new pants? Not this little boy! He wants to keep his old, worn, torn, too-small pants. His mom does not agree.