This innovative company book was issued to commemorate the fiftieth anniversary of Cologne-based pharmaceuticals company Dr. Madaus. It is similar to, and influenced by, Andy Warhol's Index book (1967) in that it incorporates pop-up elements, folding pages, tipped-in ephemera, and an audio element in the form of a laboratory mouse.

First edition; (295 x 234 mm, 11½ x 9¼ in); illustrated throughout with black-and-white photographs by Barbara Scchulten, pop-up inserts, a sealed section containing a folding colour poster, and tipped in ephemera, reader-reply card and 8 pp booklet laid in as issued, design by Peter Selinka Agency; black-and-white photo-illustrated adhesive-bound wrappers, white cloth spine; minor wear and light creasing to spine, publisher's photo-illustrated paper-covered board slipcase, near-fine; [78]pp (including 3 gatefolds).

The Photobook: A History II, pp196-7; 802 photo books from the Auer collection p197; What They Saw: Photobooks by Women 1843-1999 pp186-7.