Headquarters: Center City, moving to the Lits Building.
Stores: 523, including 38 in the region.
Dollars: $57.7 million in 2015 profits, on $832 million in revenues.
Employees: 7,200; 1,500 in area stores, 240 corporate.
History: Founded in 2002 by David Schlessinger, creator and founder of Encore Books and Zany Brainy, and by Tom Vellios, former CEO of Zany Brainy.