Malcolm Gladwell wrote What the Dog Saw and Other AdventuresWhat the Dog Saw and Other Adventures was released 2009. 2009 was the year that released Boomerang
[Human]: Could you recommend solid Malcolm Gladwell Novels? [Assistant]: You have What the Dog Saw, and Other Adventures.  [Human]: What the Dog Saw and Other Adventures was written in 2009 do you know anything written before hand? 
You have Outliers, Blink: The Power of Thinking Without Thinking and The Tipping Point.