One of the big best sellers of the season is "Taberu na, Kiken" (Don't Eat! Danger!), which was first published in October and is now in its third printing. Unlike most books that enjoy such good sales, it isn't getting much attention in the media.
As the title suggests, it's about unsafe food, and while the press has gotten a lot of mileage out of corporate food scandals in the past year or so, the media in general looks warily on stories that might upset big advertisers, not to mention farmers who will sue if they think journalists have hurt their business.
The place where it can be discussed safely is in the book review sections of newspapers and magazines.