Mythology has provided apparently solid and reliable clues to the meaning of Saharan rock art. Yet to reveal the mythological meaning concealed in pre-Historic images is an exceptionally difficult task. Rock art images may represent the versions of a myth which are either unknown or diverge substantially from the ones recorded in written sources. As such they may be representative of versions belonging to previous, more archaic stages of development. This is why we suggest a new and alternative method to study ancient mythology