Note: Not all fake books or real books have the same format, most will have sheet music with chords marked, some also have lyrics, a few have tablature, they are sometimes also available in different keys and arrangements to suit different instruments.
For an excellent collection of fakebooks to buy, checkout www.sheetmusicplus.com, who have a selection of some 1200+ to chose from, they also have good search facilities AND include content indexes for their books.
Song/Tune Title
Book
Just Ask Your Heart
UFB3
Just Because
BFBE
Just Before The Battle, Mother
FFB
Just for old time's sake
BRFB
Just For Tonight
RLUBFB4
Just For Tonight
UBFB
Just friends
NRBV3
Just Friends composed by John Klenner, Sam M. Lewis