Very hard to make a list that isn't 50 books long at least. Saddens me to have to leave out Alice and Aesop and Hans Christian Anderson, the Brothers Grimm and Winnie the Pooh, Narnia, Marquez, Dracula and Aurelius
Here's 12, best I could do. I had 48 but picked the 12 of them not already mentioned.
The Aubrey/Maturin series by Patrick O'Brian
Les Miserables by Victor Hugo
The Jungle Book by Rudyard Kipling
The Lymond Chronicles (series) by Dorothy Dunnett
The Pride of Chanur by C.J. Cherryh
Lonesome Dove by Larry McMurtry
Magician, Raymond E Feist
The Wheel of Time series by Robert Jordan
Ivanhoe by Sir Walter Scott