![BILLY Bookcase, black-brown, 63x11x791/2" - IKEA | Home library design, Modern home library, Modern home library design BILLY Bookcase, black-brown, 63x11x791/2" - IKEA | Home library design, Modern home library, Modern home library design](https://i.pinimg.com/736x/17/86/1c/17861c4130583cabb31284a8a177f382.jpg)
BILLY Bookcase, black-brown, 63x11x791/2" - IKEA | Home library design, Modern home library, Modern home library design
![What is used to make that "bridge" that connects the two full-sized sections of Billy bookcases above the picture frames in this pic? Is it just the height-extension piece with a shelf What is used to make that "bridge" that connects the two full-sized sections of Billy bookcases above the picture frames in this pic? Is it just the height-extension piece with a shelf](https://i.redd.it/8ckscwgapw161.jpg)
What is used to make that "bridge" that connects the two full-sized sections of Billy bookcases above the picture frames in this pic? Is it just the height-extension piece with a shelf
![BILLY Bookcase, black-brown, 31 1/2x11x79 1/2" - IKEA | Living room decor furniture, Billy bookcase, Ikea billy bookcase BILLY Bookcase, black-brown, 31 1/2x11x79 1/2" - IKEA | Living room decor furniture, Billy bookcase, Ikea billy bookcase](https://i.pinimg.com/736x/0b/72/ba/0b72ba18e3bbd8650f83cd3894206100.jpg)
BILLY Bookcase, black-brown, 31 1/2x11x79 1/2" - IKEA | Living room decor furniture, Billy bookcase, Ikea billy bookcase
![Farmhouse Ikea billy bookcase hack black/brown with stained pine backing boards | Billy bookcase, Ikea bookcase, Brown bookcase Farmhouse Ikea billy bookcase hack black/brown with stained pine backing boards | Billy bookcase, Ikea bookcase, Brown bookcase](https://i.pinimg.com/originals/87/1c/ff/871cffb0ddddf162b09ab91d53e36042.jpg)