Seeta Chaganti, medievalist extraordinaire (Strange Footing and The Medieval Poetics of the Reliquary) joins John to discuss-wait for it-data visualization in the work of W. E. B. Du Bois, philosopher, visionary and scholar. They go on to discuss past traditions that merge text and image in ways that foreshadow modern visualization practices, and close with beloved books that take readers "back of the tapestry" to reveal what everyday front-of-tapestry life keeps decorously hidden.