Not necessarily cheap, but here are some 21st century novels I've read lately and enjoyed a lot.
Shantaram--Gregory David Roberts
The Kite Runner--Khaled Hosseini
A Thousand Splendid Suns--Khaled Hosseini
Juliet, Naked--Nick Hornby
The Imperfectionists--Tom Rachman
Water for Elephants--Sarah Gruen
Shantaram--Gregory David Roberts
The Kite Runner--Khaled Hosseini
A Thousand Splendid Suns--Khaled Hosseini
Juliet, Naked--Nick Hornby
The Imperfectionists--Tom Rachman
Water for Elephants--Sarah Gruen