The book "The Girls of the Red Cross Camp on a Hike; Or, Bessie King's Test of Friendship" by the author Jane L. Stewart tells the exciting adventures of the heroine Bessie King and her friends at the Red Cross camp. During a joint campaign, they not only overcome difficulties and obstacles, but also undergo a difficult test of true friendship. The author reveals the importance of mutual support, devotion and loyalty, and also demonstrates how true friendship can overcome any obstacles. Readers will get a lot of positive emotions while enjoying reading this interesting book.