TY  - BOOK
AU  - Barr,Nevada
TI  - Winter study 
SN  - 9780425226957
PY  - 2009///, c2008
CY  - New York
PB  - Berkley Books
KW  - Pigeon, Anna (Fictitious character)
KW  - Fiction
KW  - Women park rangers
KW  - Wolves
KW  - Rocky Mountain National Park (Colo.)
KW  - Isle Royale (Mich.)
KW  - Mystery fiction
KW  - gsafd
N2  - Visiting an isolated Lake Superior isle to study wolf behavior, ranger Anna Pigeon joins a scientific group that subsequently discovers unusual DNA evidence suggesting that a giant and dangerous wolf hybrid has been introduced by an unknown source
ER  -