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Marcy Houle’s The Prairie Keepers (Addison-Wesley, $11, ISBN 0 201
40821 X) is about an ecological mystery—why should a remote Oregon prairie
support the densest concentration of hawks in the US? Overcoming local
hostility, the author finds out, but she cannot leave out a single detail along
the way. It’s apt to be fatiguing. Even so, the book’s moral, that wildlife and
human life can and should successfully coexist is simple enough.