Author Gretchen Bakke discusses her new book, 'The Grid: The Fraying Wires Between Americans and Our Energy Future.'

The electricity grid is "the biggest machine in the world," she tells PW Radio. "We use electricity the instant it's produced."

She adds, "It is everybody's responsibility to keep the grid from collapsing."

Then, Publishers Weekly bookselling editor Judith Rosen explores specialty bookstores for children.