Los ciclos de vida de los peces (Fish Life Cycles)

Jae is about to embark on the greatest challenge of his life—biking 150 miles in two days to raise money for the National MS Society. But after he falls on his first practice race, will he be able to overcome his fear and ride again? Especially appealing to reluctant readers, this short, 32-page hi-lo book features full-color illustrations and a fast-paced story to capture the attention of kids who enjoy realistic fiction stories!

'Canta hasta que la boca te sepa a sangre...' En enero de 1748, una mujer negra deambula por las calles de Sevilla. Atrás ha dejado un pasado esclavo en la lejana Cuba, el hijo al que nunca volverá a ver y un largo viaje en barco hasta las costas españolas. Caridad ya no tiene un amo que le dé órdenes, pero tampoco un lugar donde cobijarse cuando se cruza en su camino Milagros Carmona, una joven gitana de Triana por cuyas venas corre la sangre de la rebeldía y el arte de los de su raza.Las dos mujeres se convierten en inseparables y, entre zarabandas y fandangos, la gitana confiesa a su ...

Interesting facts and experiments explore the dynamics of a race car engine to teach about air flow and drag, safety equipment and roll cages, the fuel system and horsepower, suspension and track bars, internal combustion, why race cars don't have speedometers, how roof flaps are designed like airplane wings, and more.

Exploración espacial is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.