The New Revolutionaries: A Handbook of the International Radical Left [editor] (nonfiction) 1969

Pakistan: Military Rule or People's Power? (nonfiction) 1970

The Coming British Revolution (nonfiction) 1972

1968 and After: Inside the Revolution (history) 1978

Trotsky for Beginners (nonfiction) 1980

Can Pakistan Survive? (nonfiction) 1983

The Stalinist Legacy: Its Impact on Twentieth-Century World Politics [editor] (nonfiction) 1984

What Is Stalinism? [editor] (nonfiction) 1984

An Indian Dynasty: The Story of the Nehru-Gandhi Family (history) 1985

Street Fighting Years: An Autobiography of the Sixties (history) 1987

Revolution from Above: Where Is the Soviet Union Going? (nonfiction) 1988

Iranian Nights [with Howard Brenton] (play) 1989

Moscow Gold [with Howard Brenton] (play) 1990

Redemption (novel) 1990

*Shadows of the Pomegranate Tree (novel) 1993

Fear of Mirrors (novel) 1998

1968: Marching in the Streets [with Susan Watkins] (nonfiction) 1998

Ugly Rumours [with Howard Brenton] (play) 1998

*The Book of Saladin (novel) 1999

Collateral Damage [with Howard Brenton and Andy de la Tour] (play) 1999

Masters of the Universe?: NATO's Balkan Crusade [editor] (nonfiction) 2000

Snogging Ken [with Howard Brenton and Andy de la Tour] (play) 2000

*The Stone Woman (novel) 2000

The Clash of Fundamentalisms: Crusades, Jihads, and Modernity (nonfiction) 2002

*Shadows of the Pomegranate Tree, The Book of Saladin, and The Stone Woman are the first three novels in a planned four-part series focusing on the confrontation between Islamic and Christian civilizations.