Along with their interest in literature, Harriet and Calvin Stowe shared a strong belief in abolition. In 1850, Congress passed the Fugitive Slave Law, prompting distress and distress in abolitionist and free black communities of the North. Stowe decided to express her feelings through a literary representation of slavery, basing her work on the life of Josiah Henson and on her own observations. In 1851, the first installment of Stowe’s novel, Uncle Tom’s Cabin , appeared in the National Era . Uncle Tom's Cabin was published as a book the following year and quickly became a best seller.