Here is another Nano Banana Pro prompt for sci-fi lovers. I made it vague to force the model to pick the books. 

Prompt: 2x2 grid of famous sci-fi books, clean high-end studio, sharp micro-detail, consistent angle, shallow depth of field. Panel A:  book 1 as a materials relevant to the book kinetic sculpture inside an open book, with iconic characters and elements. Panel B: book 2 as a materials relevant to the book kinetic sculpture inside an open book, with iconic characters and elements. Panel C: book 3 as a materials relevant to the book kinetic sculpture inside an open book, with iconic characters and elements. Panel D: book 4 as a materials relevant to the book kinetic sculpture inside an open book, with iconic characers and elements, names of the books underneath