Gerlach, Dr Justin books & textbook
The Great Survivors
Lulu.com /2012-02-17 Paperback / 231 Pages
isbn-10: 147160084X / isbn-13: 9781471600845
Extinct animals of the British Isles
Lulu.com /2014-11-18 Paperback / 96 Pages
isbn-10: 1326086030 / isbn-13: 9781326086039
