As an author, Mamoun has published two novels in Arabic, Green Flash (2006) and Son of the Sun (2013), as well as a short story collection Thirteen Months of Sunrise, which was translated into English by Elisabeth Jaquette and published by Comma Press in 2019. Several of her stories have appeared in English translation, including in The Book of Khartoum (Comma Press, 2016), Banthology (Comma Press, 2018),[2] and in Banipal magazine. Mamoun was the recipient of an AFAC (Arab Fund for Arts and Culture) grant in 2009, and the following year, she was selected to participate in the second IPAF Nadwa, an annual workshop for young Arabic-language writers.[3]