Ingeniería asombrosa: Rascacielos notables: Área (Engineering Marvels: Stand-Out Skyscrapers: Area)

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.

Durante uno de sus paseos por la playa, Anastasio, un adolescente tímido y retraído, se hace amigo de Enrique, muchacho alegre y de fuerte personalidad, que lidera una pandilla de jóvenes alocados.De espaldas a la guerra civil que asola a España, ambos van creciendo mientras descubren el mundo: Anastasio, inseguro y apasionado, recibirá la llegada de la sexualidad con temor y recelo; Enrique madurará a saltos, con el impulso de quien desea conocer los secretos de la vida por encima de todo.Una de las más ambiciosas obras de Torcuato Luca de Tena.

Want to make cool apps and games, but don't know where to start? This straightforward guide gives you everything you need to start making your own fun programs, using simple step-by-step guides. Learn the programming languages Scratch and Python to create games, animations, utilities and more.

This beautifully illustrated book will begin to give the reader a glimpse into what Heaven will be like and what God has prepared for those of us who love Him and believe in His Son, Jesus! "What is Heaven Like, Mimi?" is based on the true story of Joy Brandt, born in 1929, and her near-death experience when she was 9 years old. Heaven is a real place and there are Biblical scriptures throughout the book to refer to. "I go to prepare a place for you, I will come again and receive you unto Myself; that where I am, there you may be also." John 14:3