This guide is available from the following link: http://www.ingham.org/SH/pdf/inmateguide.pdf
I checked that PDF version of the Guide out, and it looks legit. I'm glad the Sheriff's Office no longer considers the Inmate Guide a classsified document. It looks like Ingham County Jail Tales has had a positive impact!
For the record, here is a screen shot of the Sheriff's home page, which serves as the starting point for information about ICJ. This is what the page looked like in 2007:
Click for a full-size image. Now, here's the Sheriff's home page as of this week: