Tungsten John 
Subtitle: Being an Account of Some Inconclusive but Nonetheless Information Attempts to Reach the South Nahanni River by Foot and Bicycle
Publisher: New Star Books
Published: March 2000
Language: eng
Format: Paperback
Number of pages: 272
ISBN-13: 9780921586708
Subjects: Nature; Travel - General; Nature/Ecology; Adventure; Essays & Travelogues; Special Interest - Adventure; Rivers