Out of many good reference books used for ICSE board exams, some of the popular ones are – Concise Series by Selina Publications, Together With Series by Rachna Sagar Publications, APC Mathematics by RD Sharma, S. Chand's ICSE books, Understanding ICSE Mathematics Series by M.L. Aggarwal. ICSE students are recommended to follow NCERT books and NCERT solutions for their respective class to understand the subjects as per syllabus.