'Baby Nightcaps' is a further installment of the 'Nightcap Series' of books by author Frances Elizabeth Barrows writing under the noms de plume 'Aunt Fanny'. The book is a collection of short stories narrated by Aunt Fanny to young children. The main characters are all children who are involved in different types of mischief, such as little Johnny who throws a tantrum at his christening, or Susie who gets lost in town and asks a kind gentleman to help her get home