Sentirse Tímido

Discusses the various features of Australia, including its climate, mountains, rivers, lakes, animals, vegetation, coral reefs, flightless birds, population, and cities, and history of the Aborigines.

An elementary introduction to the workings of the human body, the skeleton, skin, circulation, and nervous system.

Los héroes de ficción que viajan en el tiempo pueden cambiar el pasado o el futuro. ¿Podrán hacerlo los seres humanos en el futuro? A medida que los científicos aprenden más sobre las personas y el universo, comienzan a darse cuenta de que algunas formas de viaje en el tiempo podrían ser posibles. Fictional heroes who time travel can change the past or the future. Will humans be able to in the future? As scientists learn more about people and the universe, they're starting to realize that some forms of time travel might be possible. Now in Spanish!

Learn multiplication on a fun-filled trip to the supermarket! The displays, shelves, and layout of a local grocery store provide ample opportunities for students to learn multiplication as they are engaged in reading high-interest content. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. The full-color images, math graphs and charts, and practice problems make learning math easy and fun. The table of contents, glossary, and index will further understanding of math and reading...