Town Mouse Country Mouse written by Aesop 6th Century BC and illustrated by Milo Winter, 1919
Old Mother Goose, whos "rep" started to grow in the 1660's and became an American icon with Blanche Fisher Wright's illustration in 1916
or my husband and daughter favorite- Kippling's "Just So stories", including
"How the Rino got His Skin" published in 1902
illustrated by Rudyard Kipling himself in woodcut.
All might be Old Fashioned- but they still sit on the shelves of every bookstore we go into- and are still read, cuddled up before bed- the true test of any book.