The False Prince is very easy to read, but it's kind of a strange reading experience. It takes a loooong time for the story to get going and then the ending is quite abrupt. The twists are pretty easy to spot* especially after having reread all of Turner's The Queen's Thief series earlier this year. Nielsen uses similar techniques to Turner just not as successfully.
I will check out the second book just to see where the story's going, and Nielsen's other trilogy, Mark of the Thief, sounds interesting so I'll probably check that out as well. I'm mostly just trying to fill the void finishing Thick as Thieves has left if my life. If it all goes badly, I might just read The Queen's Thief series all over again.
*The biggest reveal comes in the middle of the book, so you're not kept waiting the whole time at least.