All 3 series are on display at the Design Museum on the campus of Southern Illinois University Carbondale (fun fact: co-founder James Walker's alma mater!).
James will be speaking on April 5th during Design Days alongside fellow Type Hiker, Aaron Draplin.
The exhibition can be found here:
Morris Library & Pulliam Hall Design Wing
605 Agriculture Drive + 555 Clocktower Drive
Carbondale, IL 62901