Failing Forward

John C. Maxwell

Teaching of arithmetic

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The A.B.C. Murders

Agatha Christie

Elementary algebra

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O Leão, a Feiticeira e o Guarda-Roupa

C. S. Lewis

Junior high school mathematics

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Rodney Stone

Arthur Conan Doyle

A Secondary Arithmetic

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The Haunted Man and the Ghost's Bargain

Charles Dickens

Solid geometry

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The Stone-Millis arithmetics

John C. Stone

The new mathematics

John C. Stone

The Stone Arithmetic ...

John C. Stone

The Stone arithmetic

John C. Stone

Unit mastery mathematics

John C. Stone

A second course in algebra

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Unit mastery arithmetic

John C. Stone

Junior high school mathematics ...

John C. Stone

Elementary geometry ..

John C. Stone

New solid geometry

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Elementary algebra

John C. Stone

Stone's first year algebra

John C. Stone

The Stone arithmetic

John C. Stone

The Stone Arithmetic (Third Year)

John C. Stone