Aslan Makes a Door in the Air

From Author Wars - https://authorwars.com/books/aslan-makes-a-door-in-the-air-1520185.html

Overview:

Title: Aslan Makes a Door in the Air
Author: Pauline Baynes
Year: 1951
Type: Interior Art

Editions/Publications:

Unknown. The Chronicles of Narnia (Unknown, Pauline Baynes, Barnes & Noble Books, ISBN-10: 9781435117150, $19.98, 799 pages, Hardcover, Omnibus)