Hi Ayush....
These are the following books which are best for Science Olympiad for 8th Standard:
· NSO Power pack -class 8
· Science IQ Challenge
· MAT for NTSE Made easy
· Class 8: NSO 5 years
· class 8 : NSO Olympiad Skill Development System(OSDS)
· CLASS 8: PHYSICS FOUNDATION COURSE FOR JEE/AIPMT/OLYMPIAD
· CLASS 8: WORK BOOK AND REASONING BOOK COMBO FOR NSO-IMO-IEO-NCO-IGKO
· CLASS 8: CHEMISTRY FOUNDATION COURSE FOR JEE/AIPMT/OLYMPIAD
· CLASS 8: BIOLOGY FOUNDATION COURSE FOR AIPMT/OLYMPIAD
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