Spectrum Books Limited - We are Spectrum Books, you must have read our books. We are the conduit for ensuring millions of people have access to knowledge, which broadens horizons and increases opportunities for building a better life. We have painstakingly published quality books for over four decades having recognized the correlations between reading, knowledge acquisition, personal empowerment, and economic and societal development. We are Spectrum Books Limited! SBL is driven by excellence, and is passionate about transforming lives.