The stolen l = brilliant.

Here's the entire series.
Love the level used to signify wellbeing. So clever.

The process of creating this cover is documented on his blog.

David Drummond is top notch book designer known for creating very clever covers with an economical style. He limits himself to four fonts: New Baskerville, Helvetica, Trade Gothic and Futura. His blog is full of interesting details from his design process + great pictures of his office in rural Quebec.
In an interview with Chris Tobias, Drummond attributes the intelligent and subtle humour he brings to his work to the reading of the book A smile in the Mind by Beryl McAlhone and David Stuart.
(I am keen to learn what secrets lurk inside these pages - the book is on it's way from Amazon!)