Norse Magic is a book for practicing Wiccan's who want to incorporate Norse Magic or Norse tradition into your practice without changing your religion. It is a comprehensive guideline where you can find all the basics with a Norse twist.
It's physically very small so it's kind of hard to flip through pages. Not necessarily judging the book by its cover but judging it by its size, it's small. The impression the book gives is comical or novelty. Because of this, the book does not look like a serious religious book.
Secondly, if you're interested in Norse religions such as heathenry this is probably not the book for you. As stated in the summary it's specifically made for people who are Wiccan or follow a similar Wiccan tradition who want to incorporate some Norse flavor in their practice but still be Wiccan.
It really goes into everything that you will need to understand if you are a Wiccan wants to Branch out a little. If you have a paperback version of the book is very small so you can take it with you everywhere you go. It even goes into spellwork that is very similar to Wiccan spell work but adds rune and other Norse flavors.
I rate this book 5 out of 5 stars. It blends both NorseMythology and Magic seamlessly with Wiccan traditions. It really helps you open up your eyes to different possibilities and different traditions.
I really recommend this book if you really love Vikings and Norse culture and want to incorporate their mythology and spirituality into your Wiccan practice.