where are "suggest a purchase" guidelines
Thanks for your question! Our guidelines and policies are actually included with the Suggest a Purchase page, but it's true they're a little hidden.
When you click on the "Make a Suggestion" button, the explanation text at the top of the pop-up form outlines the process, and includes a link to our Collection Development Policy. The text also mentions that we do try to focus on titles published within the last 10 years. In practical terms we often especially look to see of the title has been published in the last 2 years, as then we usually can make sure it's still in print and available through our vendors. Outside of that window it's a lot more uncertain if we'll be able to get it.
Thanks again for the great question. I'll check with our webmaster to see if we can't make the answer more visible in our catalog module.