A sister and brother are whisked away to modern Egypt where their father is doing research. There they become involved in a mystery surrounding an ancient lost queen. The story is filled with riddles and old tales, and the kids find a link to their own mother, who died mysteriously.

In 1931, seventeen-year-old Jackie Mitchell pitches against Babe Ruth and Lou Gehrig in an exhibition game, becoming the first professional female pitcher in baseball history.

Explains the meaning of mathematical terms which begin with the different letters of the alphabet from abacus, binary, and cubit to zillion.