A compelling adventure story full of vivid characters, atmosphere and suspense for children aged 8-13.
 Biddy's first chance to go mustering ends in disaster when her pony, Bella, is trapped in quicksand on the incoming tide.  Next day she finds only tracks in the sand:  hoofprints with small footprints and the paw marks of a dog alongside.  Biddy's search for her pony leads to the biggest adventure of her life, and she discovers the truth about a mysterious disappearance that happened many years ago.