The GTA Place is working on creating its own large, printable GTA IV maps, for pigeons, unique stunts, weapons, health and armor and more...
For now, you can simply go to any TW@ café in the game, and type in Here you will find useful maps for the aformentioned things.

Full map of Liberty City

Full map of Liberty City in GTA IV
Click the thumbnail above to view the full sized 5632x4096 version, or click this link for a medium sized version

Some of our affiliates (view all):

GTAJunkies GTA San Andreas GTA Reactor GTATR GTA Domain