In a realm of four worlds, linked by London, magic spiraled out of control. To safeguard their realms, the worlds sealed their doors. A young runaway possessing a unique magical gift, obtains a device altering the fate of all the worlds. She holds the power to unite or unravel the delicate tapestry of these interconnected realms. V.E. Schwab talks with J.T. Ellison about her book The Fragile Threads of Power on NPT's original series A Word on Words.