¿Hay algo mal en mí?

Climb aboard for a journey into the world of trains! In this fascinating, Spanish-translated nonfiction title, readers learn about the history of trains, the different uses for them, and the different types and parts including freight cars, box cars, passenger cars, and the caboose. With detailed photos, informative text, and intriguing facts, this book will have readers delighted from cover to cover!

Answers such questions as "Qué son los perros?, Qué come mi perro?, Qué mas necesita mi perro?, Qué puedo hacer por mi perro?, Qué puede hacer mi perro?"

Perfect for readers interested in learning more about other faiths, this unique collection offers an in-depth look at the major religions of the world. Rich with fascinating facts, each edition includes illustrations, photographs, glossaries, and information on the history, customs, and doctrines of each religion. By offering readers a deeper understanding of the beliefs of others, this collection encourages tolerance and respect in an increasingly multicultural world. Perfecto para lectores interesados en aprender más sobre otras religiones, esta colección única ofrece un análisis...

Planck consideró como tarea científica suprema la búsqueda de las leyes que rigen el absoluto, el invariante oculto en la realidad externa. Le cupo el privilegio de descubrir uno de esos elementos universales: el quantum de acción, la constante h.