If you love books, you need to create a bookshelf for them. These ideas could help you, to find the right furnish. Look on the proposition with bookshelf under stairs.
Love the little plants on these tiny shelves! Half round walnut shelf floating wood shelf by offcutstudio
Storage knob Displays in Pinks, Red, Coral, and Shabby Chic Wood. via Etsy.
Clever use of space in laundry/mud room. Combination of drying area over the drain of the dog wash, a sink and enough space for washer, dryer and washing basket
DIY simple, good looking and usefull
This would be a good way to put the wifi password info for the guest room