It was actually the first book I read by him and because I have a bit of an aversion to horror, it got me hooked. It's basically magical in how well it grips you from the first page, I'd say he's actually refined the writing more than many of his fiction works - perhaps had a more sober and clear head. Writers should keep it on hand for when they need motivation to write because that was my main takeaway from it - you are imbued with a desire to write more