Simplify the following text for a Grade 10 native English-speaking person.
Original: The popular writings are the â NSTP ( Non â `` Spatial Thinking Process ) theoryâ and the â UQV ( Ultimate Questionerâ s Vanity ) theoryâ .
Simplified: The works contain The NSTP ( Non â `` Spatial Thinking Process ) Theory and The UQV ( Ultimate Questionerâ s Vanity ) Theory .