Marte

Here, the printed music is intended primarily for the teacher who will play through the exercises. The pupil plays from memory rather than from the book.

[English]Why do maple and oak trees drop their leaves in the fall? What other animals share the forest with chipmunks, deer, and snakes? Hike through this book, and find out what makes temperate deciduous forests one of Earth's treasures. [Spanish]¿Por qué al arce y al roble se les caen las hojas en el otoño? ¿Qué otros animales comparten el bosque con las ardillas listadas, los venados y las serpientes? Da un paseo por este libro. Descubrirás por qué los bosques templados son uno de los grandes tesoros de la Tierra.

Describes the frogs, toads, and salamanders of Mexico's Yucatan Peninsula, looking particularly at the wide variety of adaptations found in the few species that dwell there.

The values and traditions of Mexicans at home, school, and work are explored as well as how life differs in urban and rural settings.