Dan and Mary find the perfect present for their mother in the shop at the seaside, an egg-shaped stone with "A Gift from Winklesea" written on it. One day it hatches and out comes an amazing creature. This book contains a story about the adventures that Dan and Mary have with him.

After his startling arrival, the creature from Winklesea spends half his year by the seaside, and the winter in town with Dan and Mary. Dan and Mary miss him during the summer, so they take a trip to the beach to be with their friend and they have wonderful adventures all summer long.

Dan and Mary find the perfect present for their mother in the shop at the seaside, an egg-shaped stone with "A Gift from Winklesea" written on it. One day it hatches and out comes an amazing creature. This book contains a story about the adventures that Dan and Mary have with him.