To create a Treehouse account through Cook County Library, you must have an active, clear PINES library card and be a Cook County Library (CPRL-C) patron.
New users/returning members who need to activate/reactivate, complete this web form first.
*There are a limited number of Treehouse seats available. Cook County Library may deactivate accounts that show no activity for longer than 2 months as well as delete enrollment invitations that have not been accepted. You are welcome to re-enroll. Seats will be filled on a first-come, first-serve basis.
**Enrollment and access are open on a quarterly basis. You are welcome to reapply each quarter. Access will be granted on a first come, first served basis depending on the waitlist and seat availability.