A list of events in 1990 related to The Hardy Boys.

Contents 1 January 2 February 3 March 4 April 5 May 6 June 7 July 8 August 9 September 10 October 11 November 12 December 13 Comments

JanuaryEdit

• The Hardy Boys Casefiles #35 The Dead Season released.

FebruaryEdit

• With the publication of The Secret of the Island Treasure, The Hardy Boys series reachs the milestone of 100 volumes.
• The Hardy Boys Casefiles #36 Running on Empty released.

MarchEdit

• The Hardy Boys Casefiles #37 Danger Zone released.

AprilEdit

• The Hardy Boys #101 The Money Hunt released.
• The Hardy Boys Casefiles #38 Diplomatic Deceit released.
• Nancy Drew and Hardy Boys SuperMystery #6 The Paris Connection released.

MayEdit

• The Hardy Boys Casefiles #39 Flesh and Blood released.

JuneEdit

• The Hardy Boys #102 Terminal Shock released.
• The Hardy Boys Casefiles #40 Fright Wave released.

JulyEdit

• The Hardy Boys Casefiles #41 Highway Robbery released.

AugustEdit

• The Hardy Boys #103 The Million-Dollar Nightmare released.
• The Hardy Boys Casefiles #42 The Last Laugh released.
• Nancy Drew and Hardy Boys SuperMystery #7 Buried in Time released.

SeptemberEdit

• The Hardy Boys Casefiles #43 Strategic Moves released.

OctoberEdit

• The Hardy Boys #104 Tricks of the Trade released.
• The Hardy Boys Casefiles #44 Castle Fear released.

NovemberEdit

• The Hardy Boys Casefiles #45 In Self-Defense released.
• Nancy Drew and Hardy Boys SuperMystery #8 Mystery Train released.

DecemberEdit

• The Hardy Boys #105 The Smoke Screen Mystery released.
• The Hardy Boys Casefiles #46 Foul Play released.

Years 1920s: 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930s: 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940s: 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950s: 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960s: 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970s: 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980s: 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990s: 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000s: 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 Other: 1862 • 1902 • 2010 • 2011 • 2010s