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¿por Qué Celebramos El Día De Los Presidentes? (why Do We Celebrate Presidents Day?)

The United States may be a relatively young country, but in just over 240 years of independence, the United States

Describes the life and notable accomplishments of Ben Franklin, eighteenth-century American printer, statesman, writer, and inventor.

Introduces the intelligence, great sense of smell, and digging skills of pigs, and explains that pigs can be trained not

Find out how school is the same–and different–in countries all over the world in this fascinating, Spanish-translated nonfiction title. Readers

Desde que el hombre ha sido consciente del lugar que ocupa en el Universo, una de las preguntas más trascendentales