Copyright status of The Wizard of Oz and related works in the United States
"The Wonderful Wizard of Oz" was published in 1900, and was the first to enter the public domain in "1956". This allowed Reilly & Lee, the publisher of all the other Oz books (as well as Baum's other books) to issue their own edition of "The Wizard of Oz", which had previously been published by George M. Hill Company and later by the Bobbs Merill Company after Hill went bankrupt..
The Enchanted Apples of Oz
The book was released in 1986 as the fifth in First Comics' graphic novel series "First Graphic Novel". After First closed in 1991 a number of publishers took over their titles and "The Enchanted Apples of Oz" has been reprinted twice by Dark Horse Comics in 1993 () and 1998 ().