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
Isn't it romantic
AJFB
Isn't It Romantic?
RJSFB
Isn't It Romantic?
HLRJFB
Isn't It Romantic?
HLRJSFB
Isn't it romantic?
MACU
Isn't It Romantic?
MFB
Isn't It Romantic?
RB
Isn't It Romantic?
RLUFB3
Isn't It Romantic?
UFB3
Isn't It Romantic?
WLFB
Isn't It Romantic?
YFFB
Isn't She Lovely
RLBFB
Isn't She Lovely performed by Stevie Wonder
MH
Isn't This A Lovely Day (To Be Caught In The Rain?)