Una docena de primos

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.

In the spring of 1895, Bud is excited for his Cadet Corps team to compete in the end-of-the-year drills competition at his school. His company is the favorite to win, but can they pull it off? This historical fiction book is based on a story by the African-American poet and playwright, Paul Laurence Dunbar. Especially appealing to reluctant readers, this 32-page historical fiction book features hi-lo text, full-color illustrations and a short chapter format.

"While preparing for Christmas in Puerto Rico, seven-year-old Esmeralda asks the Three Magi for a baby doll like her cousin's, but when they bring something else instead she gains a deeper understanding of the meaning of the holiday."

Una visión actual de la armonía no clásica. Desde los conceptos musicales más básicos hasta la armonización de una melodía. Herramienta básica para iniciar estudios de esta materia.