Ned Potter’s UX in Libraries resource list is a great place to start and includes a reading list as well as websites and presentations.
The Weave Journal of User Experience is an open-access, peer-reviewed journal for Library User Experience professionals of which Matthew Reidsma is editor-in-chief.
Nancy Fried Foster and Susan Gibbons’s seminal library ethnography publication: Studying Students.
Everything that has been written about UXLibs conferences is collected together on the Conference Reviews page.
And if you’re a beginner, this Guide to UX Design and Design Thinking has been written with kids in mind but has lots of useful links for anyone wanting to learn the basics (thanks to Lyndhurst STEM Club for the link).
[Image credit: Binoculars Portrait by gerlos]