Turner, Gillian M.
North Pole, South Pole : the epic quest to solve the great mystery of Earth's magnetism / Gillian Turner.
Discusses the issues of geomagnetism, including why the Earth's magnetic north differs from its geographic north, how animals use geomagnetism for migration purposes, and the source of the magnetic field.
Geomagnetism.
Geophysics -- History.
Geophysicists -- History.
North Pole.
South Pole.