Lo Que Necesitamos Y Lo Que Queremos

Introduces different kinds of light, the properties of light, and how light can create shadows of different shapes and sizes.

"Simple text and photos present the seasonal weather cycle and activities to do in each season"--Provided by publisher.

Spanish language edition. This extraordinary counting book is full of astonishing illustrations and amazing facts about the fascinating world of insects. Once again, Jerry Pallotta's perfect blend of information and humor has created a favorite for children and adults.

Got a fan of snakes, lizards, and turtles? Dig into this beginner's guide to reptiles from Cathryn and John Sill, creators of the award-winning About... series. Author and educator Cathryn Sill explains in simple language the basic characteristics that all reptiles share, while offering a look at many of the animals that fall into this diverse category, including ever-popular lizards, snakes, and turtles. The beautifully detailed paintings of noted wildlife illustrator John Sill depict reptiles in their habitats and highlight their unique aspects. An afterword provides more detail on each...

Score book of 50 traditional children's popular songs in Spanish, with standard scores and TAB´s. A very good resource for learning to play the ukulele and learning vocabulary in Spanish. Complete lyrics, score with the melody, chord encryption chart, scores with TAB's which makes it easier for us to relate the two types of score. Repertoire included: ¿Dónde están las llaves? A mi burro le duele la cabeza A mi mono le gusta la lechuga A ram sam sam Ahora que vamos despacio Al corro de la patata Al pasar la barca Al pasar por el cuartel Al pavo pavito pavo Allá en el rancho grande Antón...

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...