Girl Scouts Rally, The by Katherine Keene Galt

The continuation of the story of Rosanna, a spirited young girl, and her friends who are determined to help a less fortunate girl in need of medical assistance. As they brainstorm ways to raise money for Gwenny's treatment, they explore various plans, eventually deciding to put on a play. Elise becomes a Girl Scout and assists Lucille with some family issues. The Girl Scouts are attendants at a wedding.
This is Book 2 of a 3 part series.(Summary by Jessie Percival)