More to explore:
cute breakfast nook
kid's book nook.
Stair Landing Design
The House That AM Built
25 Cute and Cozy Kids’ Reading Nooks:
breakfast nook | design indulgence: A DESIGNERS HOME
Closet turned play nook
Love this but what do you do with all the stuff that goes in the closet? They never mention that...
I'm thinking you just have to buy bigger/more furniture.
Casa dos en uno / Triendl und fessler architekten
Love this tiny office space off the kitchen.