Michel Aliani and Michael N. A. Eskin, "Bitterness: Perception, Chemistry and Food Processing" English | ISBN: 1118590295 | 2017 | 264 pages | PDF | 2 MB
Stan Hieronymus, "For The Love of Hops: The Practical Guide to Aroma, Bitterness and the Culture of Hops " English | ISBN: 1938469011 | 2012 | 326 pages | EPUB | 8 MB
Miriam Driessen, "Tales of Hope, Tastes of Bitterness: Chinese Road Builders in Ethiopia" English | 2019 | pages: 174 | ISBN: 9888528041 | PDF | 1,6 mb
Eating Bitterness: Stories from the Front Lines of China's Great Urban Migration by Michelle Loyalka English | 2012 | ISBN: 0520266501, 0520280369 | 280 pages | PDF | 2,5 MB
Stephen Viars, "Overcoming Bitterness: Moving from Life's Greatest Hurts to a Life Filled with Joy" English | ISBN: 1540900630 | 2021 | 224 pages | EPUB | 8 MB