In a family study of breast cancer, epidemiologists in Southern California increase the power for detecting a gene-environment interaction. In Gambia, a study helps a vaccination program reduce the incidence of Hepatitis B carriage. Archaeologists in Austria place a Bronze Age site in its true temporal location on the calendar scale. And in France,
Almost 2 decades later this book is still a great resource for delving deeper into MCMC. (It may explain the basics well too, but since I already knew those, I can't judge their exposition from a newbie's perspective.)
The chapters on reparameterization, model determination, and model checking have been invaluable to my recent work and are very clearly written; I look forward to the other chapters too.