Complete Reference for D&D

How can I/do I check direct messages? I have looked ALL over and cannot see anything. Thank you for writing back too!

I just started a 5e group about a month ago on Mother of Mists and the players have made their way off the island and stumbled upon Anchoril in Lantan. Aside from the ages old and SUPER expensive "Atlus of the Forgotten Realms" does anyone know of a website or other source material that I can use ...