Planetenweg Laufen.
An excursion way, the Basel countryside, the solar system redesigned one million times smaller, through fields and woods. This is what compose this touristic guide, composed in german and in two parts: an illustrated guide and a geographic map. There is also a poster on the same theme. (Guide: 14.8 x 21 cm, 32 p.; map: 42 x 59.2 cm; poster: 84 x 118.6 cm.)