ISBN-13: 9780142417140 / Angielski / Miękka / 2010 / 32 str.
Cork is a short muskrat who likes to collect shiny stones. Fuzz is a tall possum who also likes to collect shiny stones. Fuzz tries to collect a OstoneO from a duckOs nest and, in turn, the mama duck tries to collect him. Will Cork be able to save his friend?