Mass Effect: The Quarian Wars is an upcoming novel about the events before and during the Quarian Wars. The novel is set to be released in the 4th quarter of 2010. One of the story's main characters is Kevin Gardener and the rivalry between Sea Leaf and Vapor Industries will be delved into.
Not much has been revealed about the plot, only that it is about a war between the cherovs and the quarians. The story is said to take place before and during the Quarian Wars and a short story will explain the aftermath.