She’s won seven Grammys, sold 300 million records and released 13 albums, including this year’s Rebel Heart
. But before she was the Material Girl, an unknown Madonna sat for photographer Martin H.M. Schreiber
in 1979 for an ethereal photo shoot. These rare images, some never before seen, are collected in Schreiber’s new book, A Retrospective 1966-2014
(Duncan Meeder/Leica Store Lisse, Netherlands), out this month, not to mention the May issue of Playboy magazine. Together with Playboy.com
, we give you an exclusive sneak peek.