Riding the Flume

Don't tell anyone -- the only safety is in secrecy.
During the summer of 1894 the giant sequoia trees -- the oldest living things on earth -- are being felled for lumber in northern California. When fifteen-year-old Francie finds a note hidden in the stump of an old sequoia, she immediately recognizes her sister's handwriting. But Carrie died in an accident six years ago. Could Carrie's secret still be important?
Francie's search for the truth turns dangerous, and she needs to get to St. ...