year of pub­li­ca­ti­onISBNauthor(s)title
1991978-978-2462-09-1Frederick ForsythEmeka (Spectrum paperbacks)
1998978-978-2462-39-8Spectrum Books EditorsSpectrum Road Map Nigeria
1995978-978-2462-49-7Dele OlowuGovernance and democratisation in Nigeria
  ''978-978-2462-57-2Segun AdegokeMichael Adekunle Ajasin: Triumph of idealism
  ''978-978-2462-59-6Oladapo Olusola Fafowora · Tunde AdeniranNigeria, in search of leadership: Proceedings and policy recommendations of the 3rd Obafemi Awolowo Foundation Dialogue
1996978-978-2462-68-8Rotimi T SuberuEthnic minority conflicts and governance in Nigeria
  ''978-978-2462-69-5F. Adetowun OgunsheyeMy Alphabet Reading Book
  ''978-978-2462-78-7S. C. NjokuAkula the Black Bird
1996978-978-2462-79-4F.A. OgunsheyeMy First Number Book
  ''978-978-2462-87-9Olawale AlbertWomen and Urban Violence in Kano, Nigeria
1997978-978-2462-88-6J.M. ElegidoFundamentals of Business Ethics: A Developing Country Perspective (LBS Management)

imprints found for this ISBN range: Spectrum Books Ltd · Spectrum Books · Layday · Safari · The Foundation · African Books Collective · Toye Clark Publishing Co · East African Educational Publishers