Las Ranas (Frogs)

Did you know that pigs are some of the smartest animals on Earth? Pigs keep themselves very clean. Discover more about these farm animals in My Pig.

Hungry for a new drawing challenge? Well, get ready to enter planet cute! In her new collection, artist-author Angela Nguyen turns even the most mundane foods into living, breathing, adorable characters that you will want to draw yourself. As well as cute food-creature fusions such as blueberry kittens and sausage dog hotdogs, in Angela's captivating world, sleeping cats lounge atop sushi, curl inside donuts, or peek out from pizza crusts. Including beautifully clear and straightforward step-by-step instructions and minimal text, How to Draw Really Cute Food is great for both visual learners...

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.

Venerado y vilipendiado a un tiempo, Lobachevski se cierne imponente sobre la matemática del siglo XIX. Al igual que sucede a la mayoría de los mitos, el Lobachevski real está oculto por capas de negligencia y desconocimiento. Su fantástica obra, argumentaban muchos, no era otra cosa que herejía matemática, una senda falsa. Lobachevski es una personalidad abrumadora, un soñador empedernido, un hacedor de mundos imposibles pero reales. Lobachevski es, para muchos, una persona desconocida. Este libro cuenta la historia de un hombre sencillo, pero sagaz, obstinado y profundo desde el...