For the bookshelves LED lighting, we used our Normal Bright Flexible LED strips, these provide nice accent lighting and can be ran further distances than a brighter LED strip.
Under Cabinet Lighting at Lumens
Bookshelf/Bookcase LED Lighting – Hardwired System
A Guide to LED Under Cabinet Lighting – The Lighting Blog
Häfele Loox LED lighting illuminates furniture, cabinetry & more
How To Add Bookcase Lighting To Any Bookshelf (without An Electrician!)
How to install inexpensive, energy-efficient under-cabinet lighting
Cabinet Shelf Lighting, Shelf Led Lighting, Shelf Led Lights
Alexa Controlled Bookshelf Lighting : 15 Steps (with Pictures) - Instructables
Bookshelf/Bookcase LED Lighting – Hardwired System
Smart Under Cabinet Lights, LED Light Bar, White & RGB Multi Color Changing Counter Lighting. Alexa Google App Controlled Lamp for Kitchen ,Shelf, Bookcase, above Sink, Desk (1-Bar 20 Inch Kit)