Treehouse Registration Form New to Treehouse? Please fill out the following form to request access. Already have a Treehouse account? Proceed to Treehouse, opens a new window and log in with your email and password. Please reapply for access if you have not used your subscription in over 3 months. * indicates a required field Name * Required First Last Email Address * Required Library Card Number * RequiredCAPTCHACommentsThis field is for validation purposes and should be left unchanged.