Publisher, Ms Christie Was One of Its 10 Originals
Puzzle 7 of Agatha Christie Medium Pack
Question is: Publisher, Ms Christie Was One of Its 10 Originals
and the answer is: PENGUIN
Word Meaning:
PENGUIN — Any of several flightless sea birds, of the family Spheniscidae within the order Sphenisciformes, found in the Southern Hemisphere, marked by their usual upright stance, walking on short legs, and (generally) their stark black and white plumage.
Definitions from Wiktionary.