How many Forgotten Realms novels are there?

[TBeholder]

TOO Many. Most suck balls

Too many and not enough (good).
Which is unsurprising, seeing how quality dropped thanks to the publisher with enough of pointy-haired bosses to actually meddle. And since it's publisher-controlled, its quality mostly parallels that of game line.
From the "old school", Salvatore was the only hack, though he improved a lot.