Casino Guides
You will get many casino guides on the internet and most of them are pretty decent i must say. Nowadays when people sell casino guides they also end up selling las vegas guides and books on that region as thats the hub of gambling. People go to Las Vegas to gamble, stay at the Las Vegas hotel and lodges and most to play poker.
My friends visited Nevada last month and won over $25000 in slot machines. Normally they are pretty good at Poker, but they ended up losing a lot of money in that but recovered the loss in slots.
So you never know what might happen, its all luck but when lady luck shines on you, there are good chances you will make a nice sum of money.