This book is full of crazy people. For the most part, I enjoyed spending time with them. The collection is all over the place, with letters and dialogues and jokes and, well, some of these I didn't know what to call them. I think the word for that is essay -- something to say when you don't know what to say.
Several of these were funny, some funny and poignant, and yes, there were a few misses for me (true of almost any comedy collection). It was a fun, entertaining, and a quick read. One piece of advice, though: don't start to read it in front of a classroom of students who are earnestly taking the exam you got up way too early to write because you just can't face doing work yet and whose idea was it to have this class so early anyway. Laughing while your students are taking your exam is definitely not professional behavior.
I got a copy of this from Net Galley.