Winter Holiday First paperback edition 1968
The price was 5 shillings (modern currency 25 pence). The title pages include the original dedication to "The Clan McEogh". There is an interesting mistake in the front end-paper: "We're staying at Mrs. Dixon's, just till the end of the holidays," said Dorothea. The four Amazons looked at each other.
Full details of the first edition here.