Okoboji Summer Theatre discount booklets are available at a cost of $140 at Liberty National Bank (Okoboji), Northwest Banks (Spirit Lake, Arnolds Park, Milford), Pearson Lakes Art Center (Okoboji), Arts on Grand (Spencer) or by emailing ostavoucherbooklet@gmail.com. Each booklet includes eight vouchers, redeemable toward four musicals and three non-musicals.