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Bored by her daily routine, Olga the sheep thinks outside the flock and ends up creating a wonderful surprise. Includes facts about sheep.
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Snouts, spines, or scutes help many animals survive. Information on why is contained in this engaging book.
Three Puerto Rican stories include the title story, which represents the land's indigenous Tainos; the tale of la Guinea, which is rooted in the nation's African culture; and la Mula's tale, a story of Spanish origin.
This Is My Ball focuses on colors, showing young readers a different color ball on each spread. Simple vocabulary and repetitive text boost reading skills, while a strong photo-text match aids comprehension.
El joven Von Neumann y la ciencia europea de principios del siglo XX. Von Neumann y las matemáticas en Gotinga. Su pensamiento científico. En los Estados Unidos. La actividad científica en los años cuarenta y cincuenta. Von Neumann y la ciencia del siglo XX.
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