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All locations remain closed to the public. At the Main Library & Meadows Branch Library, outdoor book returns are open and hold carryout service by appointment is available. Learn about our reopening and other services.

Interlibrary Loan

Due to the financial impact of COVID-19, we are unable to offer Interlibrary Loan service for the rest of 2020. Please call 303-441-3100 beginning late January 2021 for updated information on whether we will be able to restore this service. Thank you for your patience and understanding!

For books and media requests

Use Prospector to search for and request items from Colorado and Wyoming libraries.

  1. Prospector is the fastest way to get library items from Colorado and Wyoming libraries.
  2. Place a hold on the item you want to borrow, using your Boulder Public Library card.
  3. In most cases, the item will arrive within a week from our library partners.

Use Mobius to search for and request items from Missouri libraries that are not available from Prospector.

  1. Mobius is the next resource to search for items not available from Prospector.
  2. Place a hold on the item you want to borrow, using your Boulder Public Library card.
  3. In most cases, the item will arrive within a week from our library partners.