Gina Rinehart's top-secret new book will launch today to sympathetic mining and business crowds in Brisbane and Sydney -- although no journalist has laid eyes on it and the book's publisher refuses to discuss it with Crikey. The tome -- titled Northern Australia and Then Some -- Changes We Need to Make Our Country Rich -- is billed as a collection of political essays. Editor Eden Cox describes it as "a compendium of speeches, articles and images" that "offers the reader a comprehensive insight into her [Rinehart's] thoughts about national prosperity, and an intimate glimpse of the life and times of this prominent Australian, who has assumed the mantle of Western Australia's resources pioneer".

There's no word on whether it will cover any of her notorious court battles with her children, but there's a family reason Rinehart's book is being launched today. As the invite to the launches says: