Recommended Books:
South: The Story of Shackleton's Last Expedition, 1914-1917 by Ernest Henry,
Sir Shackleton
Running with the Buffaloes: A Season Inside with Mark Wetmore, Adam Goucher,
and the University of Colorado Men's Cross-Country Team by Chris Lear 
Sub 4:00: Alan Webb and the Quest for the Fastest Mile by Chris Lear
Bowerman and the Men of Oregon: The Story of Oregon's Legendary Coach and
Nike's Co-founder by Kenny Moore 
The Perfect Mile: Three Athletes, One Goal, and Less Than Four Minutes to
Achieve It by Neal Bascomb
Endurance: Shackleton's Incredible Voyage by Alfred Lansing
Sports Nutrition for Endurance Athletes by Monique Ryan