Book Storage - All I see is wasted space. There's even a plant taking up book space!
Furniture & Furnishing Interior Design Home Designs Corner Bookshelves House Website Inspiration Room Tip Idea For White Bookcase With Vased Plant And Window With Laminate Flooring Also Book Beautiful Design Of Multi Purposeful Bookshelf Ideas
Elfa: High, Medium, & Low: The Best Sources for Wall Mounted Shelving — Apartment Therapy's Annual Guide
Shelves are so "full" you don't see rails [The Container Store > White elfa décor Library]
IKEA is a super famous brand that creates amazingly simple yet genius designs, suitable for modern, minimal, Scandinavian and many other interiors.