Last manual in pdf version seems to be a bit old (v7, dated 2008).
Current version is 19…
As there are many pages available on the Help page (here), I plan to write a new version of the manual in pdf format from these pages.
Any comments, anyone, before I start?
EDIT: Draft file is available from http://www.didiermorandi.fr/SketchUp/SketchUp_User_Manual_v19_draft.pdf
Please download the file before replying to this thread as it is updated daily from your comments.