Last lemonade standing

Help investigate the case of a missing lemonade recipe with Nancy and her friends. The girls want tickets to see pop singer Katy Sloan play at the River Heights Amusement Park -- but their parents say they've already filled their summer theme park quota. So the girls decide to turn lemons into lemonade by earning their own tickets -- with a lemonade stand! Unfortunately Lily Ramos, a new girl in River Heights, has the same idea. She's the niece of the owner of the town's newest and hottest cafe,...