Clue: Blue-book filler
Blue-book filler is a crossword puzzle clue that we have spotted 6 times. There are related clues (shown below).
Referring crossword puzzle answers
Likely related crossword puzzle clues
Recent usage in crossword puzzles:
- Pat Sajak Code Letter - Jan. 28, 2016
- USA Today - July 31, 2014
- Washington Post - Aug. 11, 2010
- New York Times - Jan. 16, 2007
- Washington Post - Nov. 27, 2006
- New York Times - Nov. 7, 1999
