Hillgartner works as the editorial director and creative writer for Gateway Learning Company. He and his wife for 20 years have been writing under the pen name of Jahnna N. Malcolm.
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Some 40 million miles of roadways encircle the earth, yet we tend to regard them only as infrastructure for human convenience. While roads are so ubiquitous they're practically invisible to us, wild animals experience them as entirely alien forces of deat... SEE MORE