Eric Dinerstein is Lead Scientist and Vice President of Conservation Science at World Wildlife Fund-US. Over the past forty years he has studied bears, rhinos, tigers, bats, and plants and many other creatures around the globe, and he remains active in the conservation of rare species. He has published over one hundred scientific papers and several books, including The Kingdom of Rarities, The Return of the Unicorns: The Natural History and Conservation of the Greater One-Horned Rhinoceros and Tigerland and Other Unintended Destinations. In 2007, Tigerland won the American Association for the Advancement of Science's award for science writing, the AAAS/Subaru SB&F Prize for Excellence in Science Books.