The book "Applied logistic regression" by Hosmer and Lemeshow is a practical guide to understanding and using logistic regression models. It explains complex concepts in a simple way with real-world examples. The authors focus on showing how to interpret coefficients from different models and provide step-by-step guidance on using these models in various fields. The updated edition includes new topics and discussions, as well as applications in data mining and machine learning. Overall, the book is a valuable resource for statisticians looking to analyze discrete data effectively.