I'll simply quote you one of my signature files

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Quick guide to rune books...
1) Check the bibliography -
a) if there isn't one, put the book back on the shelf
b ) if it doesn't mention any rune poems, put the book back on the shelf
c) if there is a mention of any genuine source material, go to 2)
2) Check the meaning of the 'blank rune' -
a) if there /is/ a blank rune, put the book back on the shelf
b ) if there is a scathing reference to the blank rune go to 3)
c) if there is no mention of the blank rune go to 3)
3) Check what it says about the original and modern uses of runes
a) if it says runes can solve all of life's problems, put the book back on
the shelf
b ) if it says that runes were originally designed for divination, think hard
about putting it back on the shelf.
c) if it says that runes were primarily designed as a method of working
magic, think hard about putting it back on the shelf.
d) if it says that runes were primarily a method of writing, and used also
for magic, and that there is no evidence for the use of runes in divination
except a passing reference in a primary source, go to 4)
4) Check the price and buy it if possible
--
Jez