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
P.S. I Love You
RB
P.S. I Love You
RLBFB
P.S. I Love You
WLFB
P.Y.T. (Pretty Young Thing)
NRB
Pa' Gozar
LRB
Pa-paya mama
RWLPFB
Pablo Pueblo
LRB
Pack up your troubles in your old kit bag and smile, smile, smile
MACU
Pack Up Your Troubles In Your Old Kit Bag And Smile, Smile, Smile
RLUFB3
Pack Up Your Troubles In Your Old Kit Bag And Smile, Smile, Smile