Continue Online by Stephan Morse Grant - Main character starts a VR game. This first novel is unlike usual LitRPG in that the character is not really focusing on personal growth, but emotional growth.

5 Book Series

"Guardians of the Flame" by Joel Rosenberg. A group of D&D players wind up inside their game. I know the book is probably older than many of you grin emoticon, but LitRPG didn't fall off the turnip truck yesterday. He continued the series and towards the end it became quite serious.

3 Book Series

Net of Dreams by William Mark Simmons. Write before the Internet was a household tool let alone world of Warcraft this book is still a grand example of LitRPG. Virtual computer worlds are going wrong and players are trapped. A programmer extraordinaire is sent to the rescue.

"Sword of the Bright Lady" by Michael Plank - A world that functions by the rules of RPGs, but with a serious theme. Science meets sorcery.

Daniel Black series by E. William Brown - The main character meets Hecate, Greek Goddess of magic, and is tasked with protecting her last follower in another world. Blending Earth science with magical knowledge he invents guns, bombs, and unlimited mana supplies.
**NR-17, contains pretty graphic sex scenes and lots and lots of blowjobs**

What happens when the haggling is done and the shops are closed? When the quest has been given, the steeds saddled, and the adventurers are off to their next encounter? They keep the world running, the food cooked, and the horses shoed, yet what adventurer has ever spared a thought or concern for the Non-Player Characters?

Student Paul Kostakis has caught the attention of Ludo, an Artificial Intelligence obsessed with games and stories. In return for a few little favors, she's offering "brain uploading". She can fatally dice your brain, scan it, and recreate you in a virtual-reality heaven she controls. You can do anything in there: become a griffin, upgrade your mind, fall in love, or go mad.