Hello, my name is Dan.
I will do my best to help you, the only stupid question is the unasked one.
Be prepared to pay for a qualified house call. I know someone in Philadelphia but that is a bit far.
There are a few options that you have here, one is this utility that I use in these cases and probably what a tech would use or something like it.
This works well providing there has been little or not writing of data to the hard drive in question. Downloading or installing or importing of any thing can over write the photos and place them out of reach.
You will also need an external hard drive to recover the files to as it cannot write to the drive it is recovering from.
The utility is about $100.00 plus the external drive if you don't have one. Small price to get them back.
A tech will run much, much more.
The other option is a data recovery service, you will find those in the yellow pages or google for them, some are better than others but all will cost a lot.
The next is the closest Apple store, they may not recover them but will know where to send you. Some Genius' do this on the side.
I have given you the best advice I can for this. One more thing though, make sure you back up all photos in the future, I learned this the hard way myself.
I now have three copies of all photos on three different drives, one off site.