The Dragonbone Chair, the first volume of Memory, Sorrow, and Thorn, was published in hardcover in October, 1988, launching the series that was to become one of the seminal works of modern epic fantasy. Many of today's top-selling fantasy authors, from Patrick Rothfuss to George R. R. Martin to Christopher Paolini credit Tad with being the inspiration for their own series.

Now, twenty-four years after the...