Wildlife Tourism: A Handbook for Guides, Tour Operators, Job-seekers and Business Start-ups Kindle: https://www.amazon.com.au/Wildlife-Tourism-Operators-Job-seekers-Start-ups-ebook/dp/B00HE1SX1Q  de Lima, I. and Green, R. J. (eds.) 2017. Wildlife Tourism, Environmental Learning and Ethical Encounters: Ecological and Conservation Aspects (Geoheritage, Geoparks and Geotourism). Springer Kindle: https://www.amazon.com/Wildlife-Tourism-Environmental-Learning-Encounters/dp/3319555731