Answer:

OUTOFPRINT

Answer	Crossword Clue
OUTOFPRINT	OP, to a publisher
OUTOFPRINT	Hard to come by, in a way
OUTOFPRINT	O.P., to a publisher

OUTOFPRINT	Publishing term.
OUTOFPRINT	Having no typeset letters?
OUTOFPRINT	No longer an issue?
OUTOFPRINT	Like collectible books
OUTOFPRINT	Like some rare books

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.