One day, Hunter the hedgehog decided to go for a walk, but as she skipped along enjoying the sunshine, she was alarmed to hear a call for help. It came from beneath a heap of leaves. Hunter rushed to the rescue and discovered a prickly branch called Twig, firmly stuck. Hunter freed him and asked what had happened. When Twig told his story, Hunter was horrified. She knew she had to act! The Mystery of the Giant Claw is an illustrated children's adventure by Katie Parsons and the HedgeHunters. It grew from a project to explore the importance of hedgerows. Researcher Katie and her team were joined by a group of young environmental activists, the HedgeHunters. They worked with the owners of Little Wood Farm in the East Riding of Yorkshire to carry out experiments and surveys, looking at ways to maintain and improve the diverse environment of the area's hedgerows.