Designs of great precision and complexity are found in crops of several kinds of cultures around the world, mainly near sites considered sacred. Besides beautiful, the Crop Circles, as they are named, carry meaning and their geometry refers to symbols from every anciente tradition. After twenty one years of studying, photographing and cataloguing the Crop Circles, Francine Blake is well placed to try unraveling the meaning behind them and provides us a point of entry into a symbolic language that unifies anciente knowl-edge with advanced scientific concepts.