Monopoly - the publishing industry in Kenya is not in a monopolistic nature at all. The only time that it almost went that direction was in the textbook sector in the late 1980's and early 1990's when the two government owned firms were producing textbooks for schools.

Liberalization - Yes the sector is liberal

Read:

Rotich D.C. (2014). Development of Educational Publishing in Kenya: Implications of Market Liberalisation. Moi University Press. ISBN 9966-854-88-6

Rotich, D.C. (2000): Textbook Publishing in Kenya under a New Policy on School Textbook Procurement. Publishing Research Quarterly, Vol. 16, No. 3 pp 60-72. www.springerlink.com/index/C64LK4DNMKXBY546.pdf