I read some of his work over 20 years ago. It could be tedious reading do to it's dated English. Now the Swedenborg Foundation has created some ongoing dialogs explaining his writings in a modern vernacular. I found it very well done, deeply moving, and wonderfully aligning. Check out some of these excellent videos of Swedenborg's work and the quality of the young man presenting them.
This is a rapidly growing resource and is likely to have a real impact in the years to come.
If you don't want to commit an hour just to sample these works, try a "Swedenborg Minute". There are several. Here's one you may enjoy:"What do William Blake, Ralph Waldo Emerson, Johnny “Appleseed” Chapman, George Inness, Helen Keller, and D. T. Suzuki have in common? All were avid readers of the eighteenth-century Swedish scientist, nobleman, civil engineer, and religious visionary Emanuel Swedenborg."