"Inkscape.48 Essentials for voltech Web Designers" is available as designjet both chuan hard copy and eBook.
There are both a manual and tutorials in manual their wiki.
VonHalenbach-de Volunteer for a translation of pygmees manual from English to German Alexandre Prokoudine Volunteer for a translation into Russian Sylvain Chiron Volunteer for a translation into French Misc.
However, this is an advanced Inkscape user, so I expect the instructional content will be high quality.
These are organized based on the Inkscape Extensions menu, with categories of the same name as the submenus, plus some additional categories which are needed for basic organization.
Each set can be used as a view or slide in your wireframes.
manual drafting in inkscape I'm respecting her descriptions in my organization of her tutorials, but note that a tutorial (of hers) in the Beginner or Intermediate sections may teach skills which I would otherwise consider intermediate or advanced.