You'd think that I get to read more than enough files (though not typically crime files) in my day job -- but gluttons for punishment that some of us mystery lovers are, there's nothing we like better than tracking down the murderer ourselves, instead of just reading about some super sleuth doing it...
As a young kid, my absolute favorite reads were Encyclopedia Brown books. I devoured them. For those unacquainted with Encyclopedia Brown, he was a middle-school aged boy genius who went around solving mysteries in his neighbourhood, a la Nancy Drew or Hardy Boys, but he did it using pure Sherlock...