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
Intermission Riff
UJFB
Interplay
RB
Into Each Life Some Rain Must Fall
BFBE
Into Each Life Some Rain Must Fall
RLBFB
Intoxicated Rat, The
FFB
Intrepid Fox
HLRJFB
Intrepid Fox
RB
Invisible Touch
RLBFB
Invisible Touch performed by Genesis
CRFB
Invitation
HLRJFB
Invitation
NRBV3
Invitation
RB
Invitation composed by Bronislau Kaper & Paul Francis Webster
JJRB
Invitation to the dance (Von Weber)
RWLPFB
Invitation To The Dance composed by Carl Maria Von Weber