Primeros Ejercicios de Calculo

Cristian Cipriani lanza un libro escrito con el alma, revisado por su madre y su padre, sus amigos y sus empleados,en el mejor momento de su vida. Este libro se presenta con el profundo deseo de mostrarte que el mejor momento de tu vida no fue ayer, ni será mañana, es hoy. Que tú decides como pintar la vida, como construir tu legado, como hacer pornografía, arte, música, cocina o danza; pero con estilo, sin miedo y sin ruido. Este libro es para gente valiente, que no le tiene miedo a pasar al siguiente nivel y hacer algo celestial con sus vidas, entendiendo que primero tienen que...

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these feathered dinosaurs face to face: The Caudipteryx had feathered arms and a tail that looked like a pom-pom! The Sinovenator may have used colorful feathers to attract a mate! The Microraptor may have used its feathers to glide...

A boy has a good time attending a fair with his grandmother in San Luis de La Paz, Mexico, as she teaches him Spanish words and phrases and he teaches her English.

Describes the frogs, toads, and salamanders of Mexico's Yucatan Peninsula, looking particularly at the wide variety of adaptations found in the few species that dwell there.