La habitación de los sueños

What causes sound? How does sound travel? Sound begins when matter vibrates. Without this vibration sound could not move and nothing would make any noise. Starting with tiny molecules, this book explains the main concepts of sound and furthers understanding through a series of easy-to-do experiments that will appeal to readers of all ages.

Mi Primer Larousse de los Dinosaurios muestra la vida cotidiana de estos fascinantes animales: el combate entre el tiranosaurio y el anquilosaurio, el instinto maternal del maiasaura, la peligrosa migración de los centrosaurios durante la estación seca, así como el terrible día en que cayó el meteorito que extinguió a los dinosaurios.

This translated edition of My Holiday Memories Scrapbook for Kids, Translated Spanish Edition is printed in Spanish. It is the fifth scrapbook in the series and is especially designed for children to help them to remember their unique and joyful adventures through life. Scrapbooking provides an outlet of expression that may not be available in any other form. Families get involved and show their children how much they love them by helping them fill in the pages of this book to preserve family memories. When I was young, I had a baby book. My Holiday Memories Scrapbook for Kids, Translated...

In this book, children will learn about different kinds of homes, such as houses, apartments, and mobile homes, as well as the purpose of each room within a home. Questions about the reader s home help children connect the information to their own personal experiences.