The Secret of the Fiery Chamber (Nancy Drew Series #159)

Making it? Or faking it?
The ancient Japanese art of raku pottery is highly dramatic -- the colorful one-of-a-kind pots are pulled from the kiln, glowing and red-hot. But when Nancy and her friends visit a local crafts village, Bess is the one who nearly goes up in flames when she's showered with sparks! And that's only the beginning.
Nancy's been alerted by Theresa Kim, a rising young artist at the village, that someone is producing brilliantly made fakes and selling them as antiques -- ...