e-book is Available from the following locations:
Amazon.com: 

Amazon.uk: http://tinyurl.com/3nmq6z8
Amazon.de: http://tinyurl.com/3ectdgj

The Apple version is available from i-Tunes. http://itunes.apple.com/ca/book/the-abc-field-guide-to-faeries/id442771123?mt=11

Barnes & Noble Nook: http://www.barnesandnoble.com/s/the-abc-field-guide-to-faeries?store=ebook

Sony Kobo e-reader: http://ebookstore.sony.com/search?keyword=The+ABC+Field+Guide+to+Faeries