Find the Commonality

What do the following book titles have in common?

Basic Statistical Analysis
Clinical Endocrinology
Lesbos
Technical Woodworking

Well, they all share a shelf in a bookcase in the super's office of my building. Obviously.

I noticed this during a meeting. Fortunately, it was near the end of the meeting, as I could barely stop myself from laughing aloud as I wrote the titles down to share with the blogosphere.