Routledge Essential Grammars

Norwegian: An Essential Grammar is a reference guide to the most important aspects of contemporary Norwegian as used by native speakers.
The Grammar presents a fresh and accessible description of the language. Explanations are clear, free from jargon and often accompanied by exercises. The book gives a simple, step-by-step presentation of the grammatical systems of Norwegian and demonstrates and explains usages which have proved difficult for those learning the language in the past. It is clearly laid-out for easy reference making it accessible for those at a beginner/intermediate level.
This is the ideal reference source for all learners, whether studying independently or in a class.