What is Subtraction?

Subtraction, third in the mathemafiction series, is here , there, and everywhere good books are sold, or at least it soon will be, because all booksellers will surely want to know what happens to a subtracted life. Subtraction is here anyway--just click on the link.


But what is Subtraction? That's the question teacher Andrew Callaghan asks his middle-grade special needs class, and all is going well until an autistic girl subtracts herself from their company. Then memories surge, terrors drive h...