"Dan and Mary bought an egg shaped stone as a gift during an outing to the seaside. The gift grew warm, and hatched into a peculiar kind of sea monster."@en
"Ben en Eva gaan op schoolreis. Voor moeder nemen ze een heel bijzonder souvenir mee: een steen uit de Twinkelzee. Maar die steen blijkt een ei te zijn. Vanaf ca. 8 jaar."
"When Dan and Mary went on an outing to the sea-side, they bought their parents a present. It was a egg shaped stone mounted on cockle shells, and had "A Gift from Winklesea" written on it. They put it on the mantelpiece, where it grew warm. Then one day while they were having supper they heard a tapping sound. The egg split in half, and a beautiful little grey creature stepped out of the shell onto the mantelpiece."
"First published in 1969 in the UK by Brockhampton Press."@en