If you are looking a book that helps you to learn something but is not difficult to read, have a try at the book “Body language in the work place” by Allan & Barbara Pease.
This book gives you some explanation to the body language people show in the work place, it helps you to understand others instantly while they are still strangers to you. The book also gives professional tips for how to attend an interview with appropriate appearance and how to deliver presentations effectively.
This book is not at all difficult. It is funny, also filled with cartoon illustrations. This is perfect for reading for leisure!