The Nigeria Book Supply Chain Analysis was commissioned to inform the work of the GBA as well as that of USAID Nigeria, the Nigeria Federal Ministry of Education, and other key development partners. The analysis was conducted in 2022 and focuses on the states of Adamawa, Sokoto, and Ebonyi and the cities of Ibadan and Abuja. The Nigeria SCA Addendum presents Market Analysis Book Survey (MABS) and Market Analysis Focus Group Discussion (MAFGD) reports that probe deeper into the status of essential reading books in the Nigerian education system.