Catalin is a great tutor， and this book lives up to his reputation for being able to distill information down into easy to grasp chunks。 What I enjoyed the most about the book is how many modern topics are covered in full。 With the ever-changing Android landscape， it's often difficult to find a good book that's suitable to most developers， but I think this one hits the sweet spot。There's plenty of information on the Jetpack libraries， with practical examples to guide you as you learn to use thes Catalin is a great tutor， and this book lives up to his reputation for being able to distill information down into easy to grasp chunks。 What I enjoyed the most about the book is how many modern topics are covered in full。 With the ever-changing Android landscape， it's often difficult to find a good book that's suitable to most developers， but I think this one hits the sweet spot。There's plenty of information on the Jetpack libraries， with practical examples to guide you as you learn to use these powerful helpers to build great Android applications。 Even as an experienced developer， I found the book helpful in that it saved me lots of effort and hassle to find out how something like Hilt works， the right way。For less experienced developers， there's an entire Android development course hidden in the book if you follow it from start to finish。 In that regard， I feel it's very well suited to those developers that have completed the Google tutorials and are wondering how to turn their knowledge into something practical。 With the book as guidance， you'll be writing modern， performant and delightful apps in no time。This is definitely one I'm keeping around as a reference， because it's so easy to just jump to a chapter and do a quick refresh on Jetpack Navigation， for example。 Definitely worth adding to your collection。 。。。more