Boxen: Childhood Chronicles Before Narnia

From Author Wars - https://authorwars.com/publications/boxen-childhood-chronicles-before-narnia-258411.html

Overview:

Title: Boxen: Childhood Chronicles Before Narnia
Author: W. H. Lewis, C. S. Lewis
Year: 2008
ISBN-10: 9780007260751
Publisher: HarperCollinsEntertainment
Price: $35.99
Pages: 240
Binding: Hardcover
Type: Collection
Title Reference: Introduction (Boxen: Childhood Chronicles Before Narnia)
Notes: Juvenilia from brothers W. H. and (primarily) C. S. Lewis. "Animal-Land" is actually a collection of plays and stories. "Boxen" is six items that the boys called "novels". "Encyclopedia Boxoniana" contains a general history, chronology and geography of the land created in the second work.

Copyright page gives London and New York addresses; two ISBN 978-0-00-726075-1 UK, -06-169833-0 US Back cover credits front cover illustrations to both brothers; two prices US $35.99, CAN $38.99

Unknown source for publ date: Amazon UK and US as of 2016-12-19 state "Centenary edition edition (1 Oct. 2008)" and "Assumed First Edition edition (October 13, 2008) [but October 21 in heading]" for these two ISBN.