I don’t have time to write a review, but questions about this book (which I’ve read) have been brought up, so here’s my assessment: I don’t believe it.
Now, if you want a better review, here are some good links:
Book Review: 90 Minutes in Heaven by Tim Chailles
Filed under: Book Reviews, People and Places |
Pensees II 
I was quite sceptical too when I read it, but how does one explain being dead for 90 minutes and then reviving without invoking the miraculous?
That assumes you believe he was dead. I don’t.