 This series covers more mature themes than "The Baby-Sitters Club", such as alcohol, eating disorders, and cancer.Books #2, #3, #4, #5, #6, #9, #10, and #14 were ghostwritten by Peter Lerangis, #7, #8, #13 were ghostwritten by Jeanne Betancourt, and #15 was ghostwritten by Nola Thacker.The interior illustrations in Amalia's diaries are by Stieg Retlin.