Dheepthika Laurent talks to Kiran Millwood Hargrave, an award-winning British author, about the French release of her novel "The Dance Tree". It's a story of forbidden love and family secrets set against the backdrop of a true historical phenomenon: a dance plague that took over the French city of Strasbourg in 1518. She also talks to us about the importance of nature and the environment in her new children's fantasy trilogy, "In the Shadow of the Wolf Queen".