Criticism (English)

• Robert Lowell: The Development of His Poetry.  Thesis Unpublished . USA: Indiana University, 1971.
• Short History of Malayalam Literature. TVM: Dept. of Public Relations, Govt. of Kerala, 1982.
• Indian Renaissance. New Delhi: Sterling Publishers Pvt. Ltd., 1983.
• K M Paniker  Kerala Writers in English 1 . New Delhi: Macmillan, 1983.
• Manjeri Iswaran Kerala Writers in English 5 . Madras: Macmillan, 1984.
• Contemporary Indian Fiction in English. TVM: University of Kerala. 1985.
• Indian Literature in English. Madras: Anuchitra, 1989.
• Thakazhi Sivasankara Pillai. TVM: University of Kerala, 1989.
• A Perspective of Malayalam Literature. Madras: Anuchitra, 1990.
• V K Krishna Menon Kerala Writers in English 10 . New Delhi: Macmillan, 1990.
• Indian English Literature: since Independence. New Delhi: The Indian Association for English Studies, 1991.
• Spot Light on Comparative Indian Literature. Calicut: Papyrus, 1992.
• Mosaic of Indian Culture Variety in Oneness.  Tagore Endowment Lectures, 1997 . TVM: University of Kerala, 1995.
• Basic Malayalam. Ayyappa Paniker, et. al. TVM: World Malayalee Council, 1996.
• Kathakali: The Art of Non-Worldly with Appukuttan Nair. Bombay: Marg, 1997.
• Kerala Contribution to Indian Writing in English: An Annotated Bibliography. TVM: The International Centre for Kerala Studies, 1998.
• Kurukshetram-2000. Kottayam:   D C Books, 2000.
• Why Shakespeare? – Comments on Shakespeare’s World and the World’s Shakespeare. Kottayam: D C Books,.  Alt. Title - Anthassannivesha  2000 .
• Indian Narratology2000.
• Interiorization:  Essays on Literary Theory.Thiruvananthapuram : ICKS, 2003. Tr. from Malayalam by Krishna Rayan.  New Delhi:  Indira Gandhi National Centre for the Arts, 2003.