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Incoming Resources
- Deadly waters, a mystery in Everglades National Park, Gloria Skurzynski and Alane Ferguson
- Out of the deep, a mystery in Acadia National Park, Gloria Skurzynski and Alane Ferguson
- Over the edge, a mystery in Grand Canyon National Park, Gloria Skurzynski, Alane Ferguson
- Running scared, a mystery in Carlsbad Caverns National Park, Gloria Skurzynski and Alane Ferguson
- Cliff-hanger, a mystery in Mesa Verde National Park, Gloria Skurzynski and Alane Ferguson ; [maps by Carl Mehler]
- Buried alive, a mystery in Denali National Park, Gloria Skurzynski and alane Ferguson
- Deadly waters, a mystery in Everglades National Park, Gloria Skurzynski and Alane Ferguson
- Chris Grabenstein presents: Super puzzletastic mysteries, short stories for young sleuths from Mystery Writers of America
- Deadly waters, a mystery in Everglades National Park, Gloria Skurzynski and Alane Ferguson
- Breakfast on Mars, and 37 other delectable essays, edited by Rebecca Stern & Brad Wolfe
- Ghost horses, a mystery in Zion National Park, Gloria Skurzynski and Alane Ferguson
- Breakfast on Mars, and 37 other delectable essays, edited by Rebecca Stern & Brad Wolfe
- Ghost horses, a mystery in Zion National Park, Gloria Skurzynski and Alane Ferguson
- Running scared, a mystery in Carlsbad Caverns National Park, Gloria Skurzynski and Alane Ferguson
- Breakfast on Mars, and 37 other delectable essays, edited by Rebecca Stern & Brad Wolfe
- Out of the deep, a mystery in Acadia National Park, Gloria Skurzynski and Alane Ferguson
- Buried alive, a mystery in Denali National Park, Gloria Skurzynski and alane Ferguson
- Chris Grabenstein presents: Super puzzletastic mysteries, short stories for young sleuths from Mystery Writers of America
- Cliff-hanger, a mystery in Mesa Verde National Park, Gloria Skurzynski and Alane Ferguson ; [maps by Carl Mehler]