I draw the comparison to the above two books because it's a similar approach: you make a kind of dictionary of interesting stuff, or through a lens that makes the stuff interesting. In the case of this book, it's about "obscure sorrows", but -- as the foreword notes -- it's not actually about sad things.
Rather it is about naming those moments in life where the absurdity of common moments hits you, and opens you up, if just for a moment, to the melancholy of contemplating the point of it all. It can be joyful, it can be sad, but it's definitely an experience.
I find it's perfect for the bathroom shelf (all book lovers have a bathroom shelf, right?). You can read a page, consider a word or five, how it applies to your life. And then the moment passes.
I can't claim to have read the thing in …