UNSAFE TERRITORY 
When a mysterious toxin threatens lives and livelihoods near the border between the U.S. and Canada, Dr. Tessa Cleary is called to trace the source. But when the no-nonsense doctor is forced to work with border patrol agent Jeff Steele, she finds the lone wolf's dedication to his job—and country—chipping away at the walls around her heart. Just as Tessa and Jeff are about to uncover the toxin's deadly source, armed thugs kidnap them in the forest. Now they must trust each other to survive before time runs out for everyone. 
Northern Border Patrol: Keeping the U.S.–Canadian border safe
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Seller: Your Online Bookstore, Houston, TX, U.S.A.
Mass Market Paperback. Condition: Fair. Seller Inventory # 0373446187-4-34298392
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.
Condition: Very Good. Item in very good condition! Textbooks may not include supplemental items i.e. CDs, access codes etc. Seller Inventory # 00100471564
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.
Condition: Good. Item in good condition. Textbooks may not include supplemental items i.e. CDs, access codes etc. Seller Inventory # 00099086820
Seller: BooksRun, Philadelphia, PA, U.S.A.
Mass Market Paperback. Condition: Fair. Original. The item might be beaten up but readable. May contain markings or highlighting, as well as stains, bent corners, or any other major defect, but the text is not obscured in any way. Seller Inventory # 0373446187-7-1
Seller: Once Upon A Time Books, Siloam Springs, AR, U.S.A.
mass_market. Condition: Acceptable. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket. Seller Inventory # mon0003505448
Seller: Better World Books: West, Reno, NV, U.S.A.
Condition: Good. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Seller Inventory # 458730-6
Seller: Better World Books, Mishawaka, IN, U.S.A.
Condition: Very Good. Pages intact with possible writing/highlighting. Binding strong with minor wear. Dust jackets/supplements may not be included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Seller Inventory # GRP97445535
Seller: ThriftBooks-Atlanta, AUSTELL, GA, U.S.A.
Unknown. Condition: Good. No Jacket. Former library book; Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G0373446187I3N10