Book 1 - The Mission Years - Sep 1967 thru mid 1969
Book 2 - The Mission Years - Mid 1969 thru Sep 1970
Book 3 - Oct 1970 thru Apr 1972
Book 4 - May 1972 thru Sep 1973
Book 5 - Oct 1973 thru Oct 1974
Book 6 - Nov 1974 thru Feb 1976
Book 7 - Mar 1976 thru Feb 1977
Book 8 - Mar 1977 thru Dec 1977
Book 9 - Jan 1978 thru Sep 1978
Book 10 - Oct 1978 thru Dec 1979
Book 11 - Jan 1980 thru Dec 1980
Book 12 - Jan 1980 thru Nov 1982
Book 13 - Dec 1982 thru Oct 1984
Book 14 - Nov 1984 thru Jun 1986
Book 15 - Jul 1986 thru Mar 1988
Book 16 - Apr 1988 thru Dec 1989
Book 17 - Jan 1990 thru Dec 1991
Book 18 - Jan 1992 thru Jun 1993
Book 19 - Jul 1993 thru Dec 1994
Book 20 - Jan 1995 thru Jun 1996
Book 21 - Jul 1996 thru Dec 1998
Book 22 - Jan 1999 thru Sep 2000
Book 23 - Oct 2000 thru Jul 2002
Book 24 - Aug 2002 thru Sep 2004
Book 25 - Oct 2004 thru Sep 2006
Book 26 - Oct 2006 thru Apr 2009
Book 27 - May 2009 thru Sep 2010
Book 28 - Oct 2010 thru Sep 2012
Book 29 - Oct 2012 thru Sep 2013
Book 30 - Oct 2013 thru Sep 2015