From publisher blurb:
"The Professor," Michael Surbrook, brings his incredible research skills and in-depth knowledge of subjects historical, mythical, and fantastic to the great frontier on and beneath the waves.
Designed specifically for people playing 5e campaigns.
Continuing the combination of utility, imaginative content, and deep research found in the Discoveries series, Evil Beagle's resident scholar and master-of-cleverness, Michael Surbrook, brings another useful toolkit to bear for Game Masters who want to elevate their games. In this case, Oceanic Discoveries is an extraordinary treatise on how to incorporate the oceans and all they contain within your 5e campaign, including -
Tons of information about oceans, seas, great lakes, the travel upon and beneath them, and the realms and locations they present.
The history and mythology of ocean and water travel throughout the ages and the Seven Seas.
A significant and highly-detailed set of random encounter tables to enhance your GMing of any 5e campaign featuring the last great frontier of the world.
This entry in the Discoveries line is another meaty one full of deep research and loving detail.