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Ruby Pi Adventure Series Serie de eBooks

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  • The Adventures of Ruby Pi and the Geometry Girls

    Teen Heroines in History Use Geometry, Algebra, and Other Mathematics to Solve Colossal Problems

    de Tom Durwood ...
    Series Libro 1 - Ruby Pi Adventure Series
    Mocked and hounded by the other candy-stripers, Simone proves her worth when an enemy tank explodes the quiet of a French field hospital near Montcornet (May, 1940). An encrypted code holds the secret to a flaw in the tank's design. Boom ! Can Simone break the code in time?Young Shawnee Smith speaks truth to power when one of the world's great citizens visits her Florida home. Her idea can change ... Leer más

    $6.99 USD

  • The Adventures of Ruby Pi and the Math Girls

    Teen Heroines in History Use Geometry, Algebra, and Other Mathematics to Solve Colossal Problems

    de Tom Durwood ...
    Series Libro 2 - Ruby Pi Adventure Series
    Squinting through the rifle sight, Casey takes careful aim at the thief, on horseback, half a mile away and receding fast. The thief has the deed to the family's new ranch. Will Casey's calculations hold true? Only one bullet left. Time to find out ...Third Aunt is dying. The doctors from Uttarapatha charge exorbitant fees for their visit. Jayani, heroine of "Volumes of a Kiln," makes a desperate ... Leer más

    $6.99 USD