The Heavenly Twins is the middle installment in Sarah Grand's trilogy centered on the New Woman ideology, coming after Ideala (first published in 1888 but originally written in 1881) and before The Beth Book (published in 1897). This work explores various themes, including the female vulnerability, the immoral behavior of men, the challenges of incompatible marriages. It also addresses the debate over the restricted opportunities available for women to utilize their skills and intellect.

Sarah Grand (10 June 1854 - 12 May 1943) was an English feminist writer active from 1873 to 1922. Her work revolved around the New Woman ideal.