El maravilloso ciclo del agua

Presented in a large-size picture book format, this is the story of the Mars Rover Curiosity. It explains how it was built at the Jet Propulsion Laboratory in California, how it got its name, how it got to Mars, and what its mission hoped to accomplish. A timeline about the history of Mars exploration is provided at the end.

A stinky look at the history of personal hygiene reveals fascinating facts, such as the invention of the toilet, how many times Queen Elizabeth I had a bath, how the first sewers were built, and much more.

Among the multitude of dictionaries available on the market, this one stands out for being especially designed for students and learners of English. This dictionary is the ideal learning tool for students at the intermediate level who wish to expand upon their knowledge of the English language. To this end, this volume offers over 40,000 terms taken from everyday language, each with its phonetic transcription to make pronunciation easier. It also features examples of grammatical usage, numerous informative charts (with both grammatical and cultural information), helpful illustrations, and...

Nuestro mundo, with Tu mundo, is a complete, two-level Spanish program for native Spanish speakers, providing focused treatment of Spanish-speaking peoples, including language, literature, culture, and history.