Each of these libraries has an on-site book drop:
- Bellingham Public Library
- Whatcom County Library System
- Bookmobile
- Bellingham Technical College
- Northwest Indian College
- Whatcom Community College
- Western Washington University Libraries
Additional Drop Locations:
- Barkley Village Haggen on Woburn
- Meridian Haggen on Meridian
- Sehome Village Haggen
- WWU South Campus Services Building on Bill McDonald Parkway & 21st St.
- Community Food Co-op Cordata Cordata Parkway at Westerly Road
WCLS Bookmobile stops
- Birch Bay - Bay Center Market 8050 Harborview Road
- Sudden Valley - 2275 Lake Whatcom Blvd.
- Acme - Little Brown Church Wickersham and Royer Streets
- South Lake Whatcom - 3250 South Bay Dr. Sedro Woolley
- Lake Samish - 705 W. Lake Samish Drive