by Simon Mutali Chesebe
Utafiti umethibitisha kwamba wanafunzi huelewa vyema dhana zinazofundishwa wanapohusishwa katika mazoezi yanayochangamsha na kusisimua. Msururu wa Secondary Breakthrough Workbook unafaulisha ukweli huu. Vitabu katika msururu huu vimeandaliwa kwa uangalifu ili kuhakikisha kwamba:
Vitabu hivi vimeandikwa na walimu wenye tajiriba pana katika kufundisha na kuwaandaa wanafunzi kuikabili mitihani.

This Fifth Edition of Secondary Chemistry Form Two Students’ Book published by Kenya Literature Bureau is the second in the Chemistry series to be completely revised, repackaged and reissued in the larger format. It covers all the topics in Form Two as per syllabus requirements.  It incorporates the following features which learners will find useful: An attractive layout which greatly enhances readability.  Employs a simple language with clear introduction to the topics followed by easy to understand explanations and precise instructions for practical activities.   A well applied two colour scheme with clear diagrams and photographs to aid comprehension. • Well chosen end of topic revision questions and topic summaries to assist recall and self evaluation.   The book has retained the popular enquiry approach to presentation of content.   Use of local examples and infusion of emerging issues to enliven the learning of chemistry.  A totally new section of examination style questions and answers.  The book is accompanied by a Teachers’ Guide, which gives pointers on time allocation, practicals, problematic areas and answers to revision exercises.