Bought the PDF and was really happy with it as a reference. Used it to write YARCAL (yet another Ruby Couch adapter lib). Although that was for 0.10.x and I did

Bought the PDF and was really happy with it as a reference. Used it to write YARCAL (yet another Ruby Couch adapter lib). Although that was for 0.10.x and I didn't follow Couch much after that - no idea what kind of changes have occurred since then.