The Tesserene Imperative, the follow-on to The Mars Imperative, has just been released in ebook format. Currently, it is available on the publisher's website.
Shortly, it will appear on Fictionwise.com. Then, in a few weeks, it will be available in trade paperback format, from Amazon.com and other booksellers.
For more information about either The Tesserene Imperative or The Mars Imperative, please visit my web site at http://tesserene.com.