"Nan Sherwood on the Mexican Border" by Annie Roe Carr is a children's novel written in the late 1930s. Following the adventures of the titular character, Nan Sherwood, the story revolves around her and her friends as they embark on a summer trip to Mexico, guided by her eccentric cousin, Adair MacKenzie. The narrative promises a blend of excitement, friendship, and new experiences as the group navigates the challenges and opportunities that arise during their journey. At the start of the novel, the excitement is palpable when Elizabeth “Bess” Harley bursts into the Sherwood home with news that several friends from England are coming to visit. However, the visit takes an unexpected turn when Adair MacKenzie, a charming but chaotic character, arrives unannounced, insisting that Nan and her friends join him on a trip to Mexico instead of staying in their hometown of Tillbury. The opening chapters set the stage for adventure, hinting at various escapades to take place across the Mexican border while introducing a diverse cast of characters, including the endearing and impulsive Adair and a promising dynamic between Nan and the other girls. As the story unfolds, themes of friendship and personal growth are likely to emerge alongside the exhilarating backdrop of new cultures and experiences. (This is an automatically generated summary.)