In her bestseller Room, writer Emma Donoghue imagined what life would be like for a little boy born into captivity, to a mother who'd been kidnapped and sexually assaulted.
And in her new novel, Frog Music, she's imagined a possible solution to a very real murder, one that took place in California in 1876. That crime was never solved. But Emma Donoghue has gone through historical records to write what might have happened.