Entre el peligro y el ingenio

Collection of 50 traditional children's folk songs in English, with standard scores and TAB's. Graphic of every chord. A very good resource to start learning to play the ukulele, read music and learn English. Easy level. Great musical resource for the music classroom. Enjpy great music moments in family. Songs included: A tisket, a tasket – Aloha oe – Alphabet song – Amazing grace – Are you sleeping brother John ? – Aura Lee – Brahms’s lullaby – Buffalo gals – Down by the riverside – Five little monkeys – Happy birthday – It’s raining, it’s pouring – Kumbaya my...

Did you know that baby butterflies look like worms with legs? Caterpillars turn into butterflies inside a shell. Discover more about these flying insects in Butterflies, part of the Life Cycles series of EYEDISCOVER books.

Life on Earth depends on carbon. In fact, about 18.5 percent of a human body's mass is carbon. How carbon is taking in and given off through animals' breathing, the burning of fossil fuels, and more can be shown in the model known as the carbon cycle. Though this concept can be confusing, all readers have a chance to understand this concept through the text and simple diagrams in this book. Both struggling readers and those looking for review can find the most important components and vocabulary of the carbon cycle in low-level, accessible text.

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...