Here is the full list of all 27 Herald: An Interactive Period Drama - there are Book I & II achievements.
Serve the senator a highly flavoured meal.
Negotiate a compromise.
Refuse ill-gotten gains.
Save a life.
Listen in on a prayer.
Go against the captain.
Betray the boatswain.
The officer gets his way.
Tell the boatswain off.
Push the boy too far.
Fail to prevent a desperate act.
Bring food to the prisoner.
Read the boy's letter.
Discover the horrible truth.
Make the boatswain's favourite grub.
Completely blend in while serving tea.
Be consistently rude to the senator.
Witness a performance.
Find the monster.
Remind the cook about his own pet peeve.
Find stolen goods.
Get your hands dirty.
End the quarrel.
Demand the truth.
Successfully convince the senator.
Make a sacrifice to keep order.
Fail to prevent a flogging.