TA TE TI

Los personajes de esta colección, un dragón, una momia y el capitán de la isla Calavera, han escondido sus tesoros. Llegar hasta el final de la aventura para encontrarlos no será nada fácil. Unas historias llenas de aventuras y criaturas espeluznantes. ¡Cuidado!, porque pueden asomar la cabeza entre las páginas.

Young readers may have heard about the benefits of using and making the most of their resources, but how does that factor into an economic discussion? This thorough discussion defines resources and describes the different types of resources and why some divide them into three categories and others choose four. The book also addresses the concept of scarcity, showing readers how, because all resources have their limits, it is important to use them responsibly and efficiently in a healthy economy.

Introduces students to the alphabet and letter sounds and helps improve their Spanish-language skills.

This complete Spanish translation of the highly acclaimed Isaac Asimov's 21st Century Library of the Universe is ideal for students still developing their English-language skills.