Refactoring: Improving the Design of Existing Code is a book written by Martin Fowler. This book improves your legacy code’s design to enhance software maintainability and make current code easier to understand. The book includes JavaScript code examples, as well as functional examples that demonstrate refactoring without classes. In this book, you will understand the general principles of refactoring. The book also gives you knowledge about making a program easier to comprehend and change. You will also learn how to build solid tests for your refactoring.

Soft Skills: The Software Developer’s Life is a reference book written by Manual John. It is a guide to a well-rounded, satisfying life as a software development professional. For that, developer and life author advise software engineers on important subjects like career and productivity, personal finance and investing, and fitness and relationships. It has been arranged as a collection of 71 short chapters. This book helps you to make a better programmer and enhance your software engineering skill.