- E-bookThe Maine WoodsHenry David Thoreau
- E-bookAlaska Days with John MuirSamuel Hall Young
- E-bookThe Cruise of the CorwinJohn Muir
- E-bookA Yankee in CanadaHenry David Thoreau
- E-bookDesert Rims to Mountains HighRichard F. Fleck
- E-bookDesert Rims to Mountains HighRichard F. Fleck
- E-bookHenry Thoreau and John Muir Among the Native AmericansRichard F. Fleck