Books That Help You Grow, Think, and Take Action

Welcome to the personal book page of Isaac Danso-Gyan. Discover books designed to inspire practical growth, sharpen your mindset, and move you toward real transformation in life, career, and purpose.

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Study Guide to Become a Cisco Firewall Engineer.

$9.99 – $46.99

Training Guide to be a firewall Engineer is a practical book that provides instructions on configuring and managing Cisco ASA and Firepower Threat Defense (FTD) using CLI, ASDM, and FDM.

Study Guide to Become a Network Engineer

$9.99 – $46.99

This guidebook by Isaac Danso Gyan offers a complete introduction to computer networking, covering network types, key devices, IP addressing, and security fundamentals.

Meet the author

Hey, Meet Isaac Danso-Gyan

He is an experienced network and security consultant and IT coach, passionate about building the next generation of technology professionals. With years of hands-on expertise designing, configuring, and securing enterprise networks, he specializes in simplifying complex concepts into clear, practical lessons. As the founder and lead trainer at the Network Professional Training Center (NPTC), Isaac has guided countless students into rewarding careers in one of the fastest-growing sectors in IT. His books, To Be a Network Engineer and How To Become a Cisco Firewall Engineer, combine theory, real-world scenarios, and lab-based exercises to help readers gain confidence and technical mastery.

TESTIMONIALS

See What People Think About Us

★ ★ ★ ★ ★

To Be a Network Engineer gave me a solid foundation in networking. I started with very little knowledge, and now I can understand real-world setups with confidence. The labs and examples make everything practical and easy to apply on the job.

Michael Torres,
Junior Network Engineer
★ ★ ★ ★ ★

I was struggling to configure firewalls until I found How To Become A Cisco Firewall Engineer. It breaks down every step in plain language. I followed along, and my first VPN setup worked perfectly. It’s like having a mentor by your side

Priya Shah,
Security Analyst
★ ★ ★ ★ ★

To Be a Network Engineer is the best self-study guide I’ve used. It’s clear, structured, and doesn’t overload you with jargon. It gave me both theory and practice, which made it easier to pass my certification exam and feel confident at work.

Daniel Kim
Network Support Specialist
★ ★ ★ ★ ★

With How To Become A Cisco Firewall Engineer, I finally understood ACLs, NAT, and VPNs on ASA. The book shows both CLI and ASDM, which helped me master real-world configurations. A must-have for anyone working in network security.

Sophia Martinez
Senior IT Security Engineer
★ ★ ★ ★ ★

Both books, To Be a Network Engineer and How To Become A Cisco Firewall Engineer, complement each other perfectly. One builds a strong networking base, and the other focuses on security. Together, they gave me the skills to advance my IT career quickly.

James O’Connor
Systems Administrator
★ ★ ★ ★ ★

To Be a Network Engineer gave me a solid foundation in networking. I started with very little knowledge, and now I can understand real-world setups with confidence. The labs and examples make everything practical and easy to apply on the job.

Michael Torres
Junior Network Engineer

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