I also find books like this soothing! I generally enjoy decluttering, and find books like this give me renewed enthusiasm for clearing out my medicine cabinet.
This year I really enjoyed: New Minimalism: Decluttering and Design for Sustainable, Intentional Living. I got the book on a whim at our library, and ended up loving it!
Inner Order, Outer Calm by Gretchen Rubin is a quick, but relaxing/inspirational, read.
Organizing for the Rest of Us by Dana White was funny.
The Lazy Genius is more about decluttering life, but it’s another great inspirational read that tackles “stuff” as well.
The Home Edit books are full of pretty pictures…it never feels realistic to me (not to mention all the special containers are expensive), but it is still somewhat soothing to see all those organized closets and kitchen cabinets.

@Sarah – this one was called Stop Buying Bins – it just came up as suggested in my Kindle and I grabbed it before the plane took off. It was fine – I definitely find decluttering books soothing!