"San Ysidro" by Mrs. Crowninshield and Skyler is an exciting book about the life and adventures of a young American girl who decides to change her life and go on a long trip to Mexico. The main character, striving to find herself and feel true freedom, finds herself in an unusual world of exotic places, where she meets new friends, experiences danger and learns to cope with life's difficulties. This book not only attracts the reader with an exciting plot, but also leaves behind a lot of thoughts about true values and the importance of self-improvement. "San Ysidro" is a book that exceeds all expectations and fascinates with its mystery and beauty.