After torturing political insiders for more than a year the secret of who had Don Brash's emails has finally been revealed - New Zealand's leading investigative journalism sleuth and author Nicky Hager.

This morning at 11am Mr Hager held a press conference to announce the existence of a book "Hollow Men: A Study In The Politics Of Deception" which – thanks to Friday's injunction [Press Release - Full Text Injunction] obtained by Don Brash against John and Jane Doe – cannot now be sold and acquired for the nation's Christmas stockings.

Mr Hager's 45 Minute press conference with the Press Gallery – and accompanying press-kit – both accessible in full on this page are therefore highly likely to be the only revelations of what is in this book till the legal arguments have been sorted out.

Mr Hager said he and his publisher Craig Potton expected to be served with individual injunctions in relation to the book shortly.

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Mr Hager said his book contained explosive revelations concerning National Party leadership ties to surprising religious and business groupings and was only partly based on email correspondence which was the subject of the injunction. In particular the book contains the allegation that both aspiring National Leader John Key and National Party Campaign Manager Stephen Joyce were significantly more informed about the activities of the Exclusive Brethren than hitherto understood.

Mr Hager believed the injunction had been granted in the mistaken belief that the book contained embarrassing information about Dr Brash's private life – which it did not. It was a political book, he said.

Mr Hager said he hoped that the National Party would avoid a long and protracted legal battle over the book by lifting their injunction.

"HOLLOW MEN" Press Kit

• Cover
• Pg 1 Invitation
• Pg 2 Notes for Press Conference (1)
• Pg 3 Notes for Press Conference (2)
• Pg 4 Imprint Details
• Pg 5 Contents (1)
• Pg 6 Contents (2)
• Pg 7 Marilyn Waring Foreword (1)
• Pg 8 Marilyn Waring Foreword (2)
• Pg 9 Marilyn Waring Foreword (3)
• Pg 10 Nicky Hager Preface (1)
• Pg 11 Nicky Hager Preface (2)
• Pg 12 Nicky Hager Preface (3) & Acknowledgments

• Hager notes for press conference
• Publication information and contents
• Foreword by Marilyn Waring
• Introduction