Unser Korper, Unser Leben (Our Bodies, Our Lives) was published in two volumes by Rowohlt Verlaq GmBH as follows: Vol. I and II, 1980; Revised, 1988; Vol. I in 19th reissue(1999); Vol. II in 15th reissue (1996).
Some editions are reportedly available through www.Amazon.de.
If you would like more information, please contact either the OBOS Global Initiative or the publisher at:
Address: Libri.de Internet GmbH, Freisenweg 1, D-22763, Hamburg, Germany
If you are looking for a copy in the US, you may try International Book Import Service at 931-759-7400 (Phone) or 931-759-7555 (Fax).