Aktionsraum 1, 1970. München. Black soft board covers, title on frontcover in white. . Oblong, spinestapled, 15 x 21,5 cm. 32 pages. Tatvan (on the cover spelt as tatvan, but in the book as tatwan) is a location in Turkey where a railway line ends abruptly. Brouwn travelled to Tatvana and made photographs in the direction of the imagined railway extension. However these are not featured in the book; the publication gives only a number of "conceived" distances (one on each page): x-Tatwan 1 km; x - Tatwan 1000 km (etc.).
Artist book. In this publication Brouwn gives a number of "conceived" distances (one on each page): x-Tatwan 1 km; x - Tatwan 1000 km (etc.) for a destination in Turkey where the railroad abruptly ends (text extands from x-Tatwan 1 km titll x-Tatwan 10000(+innumerable zeros) km. Brouwn had travelled to where the railroad ends.