The Universal Calendar
De som köpt den här boken har ofta också köpt The Anxious Generation av Jonathan Haidt (inbunden).
Köp båda 2 för 471 krIn 1995, Mark Silen was playing around with simple math and working with calendars when he stumbled upon something so amazing that he began to question nearly everything he had ever been taught. In The Perfect Time: The Universal Calendar, Silen s...