1) Kali linux learn now how kali linux works, how hacking with kali linux with this step by step guide for beginners and which tools you need to hack

2) Python for beginners learn computer programming with python now and how to use it with this step by step guide that gives you the basics of python coding

3) Learn sql the beginner's guide that explain to you step by step the computer programming SQL language and how to program your first database using MySQL

4) Computer programming Javascript step-by-step beginner's guide on how to start to programm your first website using Javascript

All the books includes practical exercises.

The first book will help you to learn the basics of hacking with the advantage that what you study, you can put it into practice now. It will teach you advanced Kali linux concepts and how to carry out an efficient attack and:

How to hack one of the most important thing that everyone use

• How to get into someone's system
• One of the most famous hacking tool
• The best 6 strategies to combat cyber terrorist threat
• And much more

The second book teach you the basics of python so even if you're a completely beginners, you have no problems.

Here are some of the content:

• Data Analysis with Python
• Programming Languages and Creating a Program
• Common Programming Challenges
• Writing Loops in Python
• And much more.

The third book teach how to create a database within your database management system, tables and how to manage the data inside the tables.

Here there are some topics discussed inside the book:

• The SQL Structure
• SQL Data Types
• Clauses and Queries
• Database Advanced Topics
• Much more.
  

The fourth book tell you why you need to study Javascript, how define your web page contents with HTML and how identify your web page layout with CSS.

Here there are some topics discussed inside the book:

• Iframe and multimedia
• An introduction to es6
• Operators, data types and other priorities
• Regular expressions
• Much more.