The Environmental Defenders of McHenry County will hold its annual Big Fall Book Sale from Sept. 23 to Oct. 8 at the Algonquin Township Road District Building B garage, 3702 Route 14 in Crystal Lake.

A members-only preview sale – which features thousands of like-new books available for purchase – will be held 6 to 8 p.m. Sept. 23. Non-members who would like to participate in the pre-sale will be able to join onsite for $20 for a year’s membership and gain access to the pre-sale.

The sale for the public runs noon to 4 p.m. Sept. 24 and continues 10 a.m. to 4 p.m. through Oct. 8. The sale is open every day but Sunday during that time period.

A bag sale will be held the last few days of the event.