This short book is born with the intent of providing people a solid understanding of the basic knowledge necessary to use proficiently Sverchok, Blender's node-based parametric design add-on. Parametric design is getting more and more popular, yet most of the tools dedicated to this field are part of highly priced software packages like Rhino/Grasshopper. Sverchok offers a valid alternative for students, small businesses and hobbyists that are interested in this fascinating field. The fact that Sverchok comes as an add-on to Blender, with direct access to all its powerful Python API makes things even more exciting. At the end of the read you will have what it takes to start exploring Sverchok independently and to start using it to realize your amazing ideas.