As previously reported 12 Kamen Rider novels will released starting November 30, and the first four full covers, along with short summaries, have now been unveiled by Kodansha. 

It’s been 12 years since Yuusuke Godai disappearnace after he defeated the mysterious beings called Grongi. As the Grongi have disappeared, people have started forgetting about them. Yet, Ichijou is still trying to search for the remains of the Grongi Tribe. Lately, on the web rumors about a white warrior has been surfacing which only reminds Ichijou of Godai.
As Tendou Souji fights his final battle with the worms, the mysteries behind Kamen Rider Kabuto will be revealed. When the battle is over, he travels around the world starting from Bangkok to Varanasi. At the same time, the story will tell about Arata Kagami, who’s trying to court Hiyori Kusakabe.
 “Phillip did what to Shotaro!? ‘From here on, I’ll be Kamen Rider Cyclone!'”
Ankh’s past, the birth of the Greeds, the mystery behind the Core Medals will soon be revealed. Part 1: Ankh. Who is the one using the Birth Driver? The secret behind Kamen Rider Birth’s creation. Part 2: Birth. The encounter with the tragic(?) girl Alfreed, the war, and… Part 3: Eiji.
The three parts will reveal and connect the past, present and future of Kamen Rider OOO’s world.” The sentence cuts of after the war, it’s not a miss or anything.