If you're interested in the great questions, you can answer some of them with science, the others you gotta answer with faith. And to be able to pursue all of those, it seems to me, is an important human endeavor.
No one handles crime in America's national parks better than Anna Pigeon, the heroine of Nevada Barr's popular series of mysteries set in parks. This is the twelfth book in the series, and takes Anna into Yosemite National Park in California -- and this time, she's gone undercover.