If you want to encourage your kids to read more or just want a cozy space to read them by yourself you should think about organizing a reading nook. It can be
A mini library inside an old closet.
Under the stairs Library (image only) - maybe with a bench to make a reading nook?
Closet library idea... The hall closet used yo be a laundry room closet so it is deep enough to turn into a reading library nook.
Closet library with French door
Closet library idea...shelf supports