The Online Library Catalog is a shared database among the members of the Suburban Library Cooperative.  It is called iBistro.
[Not Available Fridays from  6pm - 12am] 

You must have your complete Troy Public Library Card number and Personal Identification Number (PIN) to logon to "My Account."

iBistro is available 24 hours daily except on Fridays from 6 pm to midnight when the weekly processing is completed.

Click on the iBistro catalog 
Then select "My Account" to: 
         Review your account     Renew your library materials     Search for books, videos, & more
Logon with full  Library Card # and PIN 
If you don't remember your PIN call 248.524.3538 during Library Hours