Assassin's Creed 5 Unity will launch with an accompanying book called Abstergo Industries Employee Handbook, and it will reveal secrets and add extra information about the game series.

According to GamingBolt, the Employee Handbook, will be released on Nov. 4, and is written by Christie Golden. The reason it is in handbook format is it was eaasier to organize. Other features include illustrations and details that have been frequently throughout the series. Some of the book will cover story-line and narrative to fill in plot holes and more.

In other news, Assassin's Creed Unity has been rumored to feature a four player co-op campaign mode as an alternative to a regular single player version.

According to Polygon, this new co-op mode will be featured alongside the single player campaign at this year's E3 conference.

Unity was recently announced by Ubisoft along with another game in the franchise, Comet. Unity is coming to Xbox One and PS4 and will take place during the French Revolution, Comet will be for the Xbox 360 and PS3.

Assassin's Creed: Unity now has an official trailer and even hinted at a possible release date for the next-gen only consoles.

"Qu'ils mangent de la brioche [Let them eat cake]! We have been working on the new Assassin's Creed for more than three years and although we weren't quite ready to show you our full vision for a next-gen only AC, it seems Abstergo are trying to force our hand!" the videos trailer read. "So here's a true first look at in-game footage from Assassin's Creed Unity. Stay tuned - we'll have many more exciting details for you in the months ahead! Join the conversation on Twitter: #ACUnity."

Polygon reported early screenshots suggest the game will be in Paris because of shots of the Notre-Dame Cathedral and the Seine River.

Watch a trailer for the game here.