Nos Divertimos/On All Kinds of Days

Introduces different kinds of light, the properties of light, and how light can create shadows of different shapes and sizes.

For those who enjoy unconventional solutions, the author offers a wide range of all-time paradoxes that defy your deductive and calculation skills with impossible logical truths, and helps you to learn how to overcome the traps of false truths.

Basic concepts about electricity for highschool level and college. Topics include: Electrical circuits, Ohm's law, serial and parallel circuits, electric power, CD circuits, etc. With questionnaire.

The United States has many places to live. People choose to live in small towns and big cities. Why do people live where they do? With examples from both the past and present, this Spanish book teaches beginning readers about the history of immigration to the United States and the factors that influence where people live. Dynamic images in conjunction with Spanish text provides first grade students with an inviting learning experience as they build their reading skills and knowledge of US history.

Una colección de libros para dejar de ser un bebé. La fantasía nos ayuda a crecer, y con el pato del pipí, la oveja de los sueños, el elefante de los mocos y el pájaro de la comida, los más pequeños aprenderán a utilizar el orinal para hacer pipí, la almohada para dormir, el pañuelo para sonarse y la cuchara para comer.