I recently acquired the last few of these annuals and have had to make changes to the gallery to correct the years.
It appears the 'missing' year is 1961.

1960

1962

1963

1964	1965	1966	1967
1968	1969	1970	1981

Other "Annuals" Issued

Huckleberry Hound Comic Album No 1 ©1960	Huckleberry Hound Comic Album No 2 ©1962	Huckleberry Hound Comic Album No 3 ©1963	Huckleberry Hound Comic Album No 4 ©1964
Huckleberry Hound Giant Story Book	Huckleberry Hound Big TV Bumper Book	Huckleberry Hound Big TV Bumper Book	xHuckleberry Hound Big TV Bumper Book
Huckleberry Hound TV Story Book	Huckleberry Hound TV Story Book issued in 1960	Huckleberry Hound TV Story Book issued in 1962	x