Kipton and the Tower of Time — Charles Louis Fontenay

Kipton and the Tower of Time chronicles another Kipton visit to the West Mars, where a mysterious tower seems to offer the possibility of time travel. The Tower of Time gives the appearance of being an ancient artifact, left behind by an advanced civilization which used a set of symbols no one seems able to comprehend. When things go badly wrong on a trip Kipton takes with a group of scientists, Kipton is drawn into solving yet another mystery.