Night of the Grizzlies

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This article is about the book, for the movie, see The Night of the Grizzly
Night of the Grizzlies
Night of the Grizzlies book cover.jpg
First facsimile edition (1996) cover
Author Jack Olsen
Country United States
Language English
Genre Non fiction
Publisher G.P. Putnam's Sons
Media type Print (Paperback & Hardback)
Pages 221pp (First facsimile edition, paperback, 1996)
ISBN ISBN 0-943972-48-5 (First facsimile edition, paperback, 1996)

Night of the Grizzlies is a book, published in 1969, by author Jack Olsen, which details events of August 13, 1967,[1] when two young women were separately attacked in Glacier National Park, Montana, by grizzly bears. Both women, Julie Helgeson, 19, of Albert Lea, Minnesota, and Michele Koons, 19, of San Diego, California, died of their injuries.[2] Olsen's book investigates the potential causes of the incidents,[3] in an area where no grizzly attacks had previously been recorded.[4]

An unrelated but similarly named movie had been released in April 1966 before the above-referenced attacks.

See also[edit]


  1. ^ Sarasota Herald Tribune, Nov 23 1969, Capsule Book Reviews
  2. ^ The Windsor Star, Aug 14, 1967, Grizzlies turn killer – two girls die, youth mauled
  3. ^ Kaniut, Larry (2001) Bear Tales for the Ages: From Alaska and Beyond Self Published. ISBN 0-9709537-0-4 p.252.
  4. ^ Turbak, Gary (1997) World life library: Grizzly Bears Voyageur Press. ISBN 0-89658-334-1 p.46.