Hi Sirius
I would do a simple rig for the book spine and pages (using your preferred 3D tool) and import it as a skeletal mesh. UE can definitely do that, it just needs a bit of preparation in your DCC tool 
Cheers,
Michael
Hi Sirius
I would do a simple rig for the book spine and pages (using your preferred 3D tool) and import it as a skeletal mesh. UE can definitely do that, it just needs a bit of preparation in your DCC tool 
Cheers,
Michael