Looks like Kno, whose dual-screen tablet textbook turned heads at D8 this year, is taking a cue from King Solomon himself. The company has announced a single-screen tablet textbook -- apparently the "world's first," if you don't consider the plethora of other tablets as educational in any way. Both devices are apparently on track for a late 2010 release, thanks in no small part, we suspect, to new funding. From the press pics, it really looks to be just one-half th