Was beginning to wonder if there would be a book this year, but thanks to a hot tip from drahsrebu, a preorder listing for the latest in the series of yearly Japanese TF toy guidebooks has been found:
http://www.hlj.com/product/TYT02266/Sci
No details yet of a special edition mailaway toy to go with it, but it's likely.
Cover image
Cover image via @heroxnet on Twitter and retweeted by @tfwiki