This would be the coolest playroom bookshelf ever.
kids-room-tree-bookshelf - Home Decorating Trends - Homedit
I love the tree as bookshelves. I love the swing hammock thing.
Could add fake leaves flowers fairy lights etc.
DIY Home Decorating Tips on Decision Making
Elm Tree Bookshelf Our New Tree Shelf Design by BespOakInteriors
Corner Tree Bookshelf (I probably wouldn't make the truck so rectangular)