wat the best reference book for a science stream student?

sometime im confused , now i got alot reference book . success is really a good brand?

wahh... they said my physic books not good ...

so wat ? over detailed?

maybe you can find it at most kedai popular . btw. i still dunno . last year form four, i have quite alot book on biology . but this year , i only got one , from my cousin sister, but sasbadi brand . i dunno its nice or not but i try to fall in love with the book ..