Thanks for these materials. Please continue making maritime resources available online. These are very useful to educational institutions like us to fully support the information needs of maritime students and faculty members alike. More power to your team! – Sheryl Reyes, Maritime Academy of Asia and the Pacific

I appreciate your efforts to enable mariners get the knowledge on marine environment and the prevention measures on pollution ozone layer – Peter Omondi

Your ebooks are very useful to me. I am sailing as chief engineer. Thanks and best wishes.– D.C Jain

Thanks for providing these useful books hope you will continue your support and service to us. – Ravishanker Kumar

Downloaded the free E books. Amazing content, thank you so much. Keep it up – Aakash Malhotra

Thank you sir, I have been enjoying every series of your publications. Sincerely, your team is doing a great job. – Stephen Oku

Thank you for the information. In behalf of my crew, our sincere appreciation. – Captain Warren M. Pineda