Ka kammala wannan magana: Bayan ya rubuta wasu wasannin kwaikwayo da suka yi nasara, Dumas ya koma rubuta litattafai. Ko da yake yana son yin rayuwa mai tsada kuma kullum yana kashe fiye da kuɗin da yake samu, Dumas ya nuna yana da basira a kasuwanci. Kamar yadda jaridu suka wallafa litattafai masu yawa. Littafinsa na farko shi ne "La Comtesse de Salisbury; Édouard III" (Yuli-Satumba 1836). A shekara ta 1838, Dumas ya sake rubuta ɗayan wasanninsa a matsayin labari mai nasara, "Le Capitaine Paul". Ya kafa ɗakin samarwa, tare da ma'aikatan marubuta waɗanda suka juya daruruwan labaru, duk suna ƙarƙashin jagorancinsa na sirri, gyarawa, da ƙari. Daga 1839 zuwa 1841, Dumas, tare da taimakon abokai da yawa, ya tattara "Celebrated Crimes", tarin littattafai guda takwas game da sanannun masu laifi da laifuka daga tarihin Turai. Ya nuna Beatrice Cenci, Martin Guerre, Cesare da Lucrezia Borgia, da kuma abubuwan da suka faru kwanan nan da masu laifi, ciki har da shari'ar da ake zargi da kisan kai Karl Ludwig Sand da Antoine François Desrues, waɗanda aka kashe. Dumas ya yi aiki tare da Augustin Grisier, malamin wasan tsere, a cikin littafinsa na 1840, "The Fencing Master". An rubuta labarin a matsayin asusun Grisier na yadda ya zo ya shaida abubuwan da suka faru na
Tashin hankali na Decembrist a Rasha. Daga baya Czar Nicholas I ya dakatar da littafin a Rasha, kuma an hana Dumas ziyartar kasar har sai bayan mutuwar Czar. Dumas ya ambaci Grisier da girmamawa sosai a cikin "The Count of Monte Cristo", "The Corsican Brothers", da kuma a cikin tarihinsa.