Conversation so far:
What is Marie Stopes' Married Love?
Married Love or Love in Marriage is a book by British academic Marie Stopes.
What was Marie Stopes' marriage book called?
Married Love or Love in Marriage is the title of the book by British academic Marie Stopes.
How many copies did Marie Stopes' Married Love or Love in Marriage book sell?
Married Love or Love in Marriage went through 19 editions and sales of almost 750,000 copies by 1931.
What was the follow up to Marie Stopes' book Married Love or Love in Marriage?
Married Love encouraged Stopes to provide a follow-up; Wise Parenthood: a Book for Married People, a manual on birth control.
Did the book Wise Parenthood by Marie Stopes do well?
did Marie Stopes' books win any awards?
Did Marie Stopes write anything else other than Married Love or Love in Marriage and Wise Parenthood: a Book for Married People?
Marie Stopes published A Letter to Working Mothers on how to have healthy children and avoid weakening pregnancies, a condensed version of Wise Parenthood aimed at the poor.

Question: was that book also a success?
Self-contained rewrite: Was A Letter to Working Mothers on how to have healthy children and avoid weakening pregnancies also a success?