Just took my mcat and have a used tbr set for sale, organic chem gchem bio physics and ... not much highlighting and at most 1/3 used in terms of the passages ... i also have the complete EK set basically brand new ... there are flash cards in the back of the EK orgo book that i took out but other than that they are basically untouched ... ill let both go for 335 the tbr set by itself for 275 the ek set by itself for 60i prefer local pickup in socal because i dont have a paypal and dont intend on getting one ... pm me if you're interested ... will send pics at request