- Author: Kenneth Wise
- Language: English
- Year: 2014
- Author: Bill Cunningham, Polly Cunningham
- Language: English
- Year: 2016
- Author: Colorado Trail Foundation
- Language: English
- Year: 2021
- Author: Johnny Molloy
- Language: English
- Year: 2017
- Author: Aislinn Sarnacki
- Language: English
- Year: 2019
- Author: Douglas Lorain
- Language: English
- Year: 2018
- Author: Jeff Moravec
- Language: English
- Year: 2019
- Author: Leslie Romer
- Language: English
- Year: 2021