""When Mother Lets Us Keep Pets"" is a children's book written by Constance Johnson and published in 1919. The book is a guide for children on how to take care of and keep pets. It covers a wide range of animals including dogs, cats, birds, fish, rabbits, and even insects. The book is divided into chapters, each dedicated to a specific type of pet, and includes information on how to choose the right pet, how to feed and care for it, and how to train...