Namwambah, T. D. 2024. Foundations of Critical Thinking and Problem Solving. Vacenna Publishers. ISBN No. 9781983507946
Namwambah, D. T. (2020). Critical Thinking and Problem Solving. Riga, Latvia (E.U): Scholars’ Press. ISBN-13: 978-613-8-93402-8 (Single Author) Link: PUBLISHED BOOK ENLISH (eBook Copy) - ISBN-13 = 978-613-8-93402-8.pdf
Namwambah, D. T. (2021). Pensamiento Critico y Resolucion de Problemas. Beau Bassin (Mauritius): OmniScriptum Publishing Group. ISBN – 978-620-2-61130-5 (Single Author) Link: PUBLISHED E-BOOK IN SPANISH - 978-620-2-61130-5.pdf
Namwambah, T.D. (2012). (Revised Ed.) . Essentials to Critical and Creative Thinking. Njigua Books -Nairobi. ISBN 9966- 9813-4 (Single Author)
Namwambah, T.D. (2011). (Revised Ed.) . Essentials to Critical and Creative Thinking. Njigua Books -Nairobi. ISBN 9966- 9813-4 (Single Author)
Namwambah, T. (2011). (1 st ) . Introduction to Critical and Creative Thinking “A self-teaching Handbook”. Daruson Books -Nairobi. ISBN 7991- 768-11-2 (Single Author)
Namwambah, T. (2010) . Think Critically and Creatively “A Thinkers’ Companion”. Dale -Nairobi. ISBN 7968- 4680-3-9 (Single Author)
Namwambah, T. (2007) . Elements and Pedagogy of Critical and Creative Thinking. Dale -Nairobi . ISBN 7968- 4680-1-7 (Single Author)
Namwambah, T. (2007) . Leadership and how to handle Conflict in Leadership. Didaxis -Nairobi . ISBN 9966- 9680-4-0 (Two Authors)
Namwambah, T. (2005) . Essentials of critical and creative thinking. Didaxis-Nairobi . ISBN 9966- 9680-9-1 (Single Author )
Namwambah, T. N. (2003) . Introduction to Critical & Creative Thinking: Student Companion. KenPak Book Nairobi. ISBN 8452-666-32-9 (Single Author )
Namwambah, T. D. (In Press) . Critical and Creative Thinking Students Companion. Njigua Books -Nairobi .
Namwambah, T. D. (In Press) . Understanding Philosophy. Njigua Books -Nairobi .