- A Simple Approach to Organic Chemistry - Foundations and Hydrocarbon: A Self-Teaching Guide with Practical worked Examples and Exercise (Kunlektra Organic Chemistry Series)
- A Simple Approach to Periodic Table – Trends and Group Chemistry (Kunllektra Periodic Table Series)
- A Simple Approach to Organic Chemistry – Functional Groups and Reactions (Kunlektra Organic Chemistry Series)
- A Simple Approach To Periodic Table – Understanding Foundation & Families (Kunllektra Periodic Table Series)
- A Simple Approach to Probability – Foundations and Basic Rules (Kunlektra Probability Series)




