I'm not sure which book you're looking for because the phrase "New Dragon Ball" may refer to a different story. If you can provide more information or specify the type you are looking for, I will be more than happy to help you.
Yes, it is. The 'dragon ball viz graphic novel' is a great way for new fans to get into the Dragon Ball world. It presents the story in a clear and engaging graphic format, so they can quickly understand the basic concepts and characters.
Perhaps it will focus on the next generation of Saiyans. They might discover new forms or techniques that are unique to them. It could also involve a new kind of Dragon Ball quest, where the characters have to find the balls in a completely different dimension or under some strange circumstances. For example, there could be a time limit set by an unknown force, and if they don't gather the balls in time, something catastrophic will happen to the entire universe.
I have no idea when it will be. Usually, such news is shared on the game's official website or social media pages. So, you should check those regularly for updates.
The latest villain in the Dragon Ball Super manga is Jiren. His strength and unique abilities make him a formidable opponent for Goku and the others. He has a complex background and motives that add depth to the story.