The periods of the cycle

Prequels

All prequels are shorts stories.

  • Jack Christmas (1822)
  • Cooperation and truth (1978)
  • (1973)
  • (1995)
  • (1999)
  • (1999)
  • (2004)
  • (2002)
  • (2003)
  • (2003)
  • (2005)
  • (2005)

First period

Second period

  • (2250)
  • (2085-2089-2259)
  • (2150)
  • (2285-2287)

Third period

  • (2370)
  • (2403)
  • (2436)