Start by speaking with the shipwright at Golden Sands, head into Wanda's blacksmith shop. Look around the follow the footsteps that face towards Crescent Isle, sail their and speak to Salty.
After speaking with him sail over to Mermaids Hideaway and go to the campsite to read your first book.
Next you want to head to Thieves Haven and head to the NE shore and there will be a tent with a book near it.
Another Island awaits, you need to sail to Sunken Grove and read the last book in a cave down the heart of the Island before returning to Salty.
He then tells you to travel to Wanderers Refuge, there is a small tunnel under the main part of the Island inside of the larger tunnel.
Last but not least you head back to the shipwright at Golden Sands.
You will have to investigate these locations and find clues to get further through the story.
