source
Tactical surprise.
Apparent total victory.
Strategic mistake.
The battleships were worth far less than the petroleum tank farms.
Gordon Prange's Bibliography:
All below by Gordon W. Prange, with Donald M. Goldstein and Katherine V. Dillon:
At Dawn We Slept: The Untold Story of Pearl Harbor (1981), ISBN 0-07-050669-8
Miracle at Midway (1982), ISBN 0-07-050672-8
Target Tokyo: The Story of the Sorge Spy Ring (1984), ISBN 0-07-050677-9 in which the authors detail the undercover operations of the spy ring headed by Richard Sorge and Hotsumi Ozaki that conveyed highly-secret information from Tokyo to the Soviet Union between 1933 and 1941
Pearl Harbor: The Verdict of History (1986), ISBN 0-07-050668-X
December 7, 1941: The Day the Japanese Attacked Pearl Harbor (1988), ISBN 0-07-050682-5
God's Samurai: Lead Pilot at Pearl Harbor (1990), ISBN 0-08-037440-9
Bold are in my library and worth reading.